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1 active weather alert

  • Frost Advisory

    Ends in 7 h 28 min

    When
    From 1 AM to 9 AM PDT Saturday.
    Where
    Del Norte and Northern Humboldt Coast. This is expected to be mainly away from the immediate coast and in areas that go calm.

    Issued for this forecast zone · National Weather Service Eureka CA

    What, impacts and precautions

    What

    Temperatures as low as 35 will result in frost formation.

    Impacts

    Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

    Precautionary actions

    Take steps now to protect tender plants from the cold.

    Areas: Coastal Del Norte; Northern Coastal Humboldt

    See it on weather.gov (opens in a new tab)

Observed 1:15 AM PDT at KACV

Myrtletown, CA weather

Clear and 41°5°.

Today: low 37°3° (likely 37°3° to 43°6°), high 61°16° (likely 60°16° to 64°18°).

Forecasts differ

Now 41°5°

Clear · Feels like 37°3°

Wind
6 mph9 km/h
From the east. Up to 6 mph9 km/h through 1 PM
Dew point
39°4°
Comfortable
Humidity
93%
Air 41°5°, dew point 39°4° · fog or dew likely
UV index
0Low
Moderate 11 AM–5 PM · peak 4
Air quality
24Good
Main pollutant: PM10 (dust)
Pressure
30.12 inHg1020 hPa
Falling slowly · −0.02 inHg−0.5 hPa next 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • Above 50°10° today by 11 AM
  • High 60°16° today at 4 PM
  • Below 50°10° tonight after 8 PM
  • Fog tomorrow 5–10 AM
  • Rain tomorrow night from 11 PM (60%, 0.14 in3.6 mm)
  1. TonightDown to 38°3° by 5 AM · Clear
  2. This morningUp to 53°12° by 11 AM · Clear
  3. This afternoonUp to 60°16° by 4 PM · Partly cloudy
  4. TonightDown to 39°4° by 5 AM · Mostly cloudy
  5. Tomorrow morningUp to 53°12° by 11 AM · Mostly cloudy
  6. Tomorrow afternoonNear 57°14° · rain chance 30% · Mostly cloudy
  7. Tomorrow nightDown to 47°8° by midnight · Rain 11 PM–1 AM (60%)
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 1aClear42°6° (likely 42°6° to 45°7°)40°4°0%3 mph5 km/h from S, gusts 6 mph9 km/h89%11%0
Sat 2aClear41°5° (likely 41°5° to 44°7°)39°4°0%3 mph5 km/h from S, gusts 5 mph8 km/h88%11%0
Sat 3aClear40°4° (likely 40°4° to 44°7°)37°3°0%3 mph5 km/h from S, gusts 5 mph8 km/h88%10%0
Sat 4aClear39°4° (likely 39°4° to 44°7°)37°3°0%3 mph5 km/h from S, gusts 5 mph8 km/h86%9%0
Sat 5aClear38°3° (likely 38°3° to 44°7°)38°3°0%2 mph3 km/h from SSE, gusts 5 mph9 km/h84%8%0
Sat 6aClear38°3° (likely 38°3° to 44°7°)38°3°0%2 mph3 km/h from SSE, gusts 5 mph8 km/h83%6%0
Sat 7aClear37°3° (likely 37°3° to 44°7°)37°3°0%2 mph3 km/h from SSE, gusts 5 mph8 km/h81%3%0
Sat 8aSunny37°3° (likely 37°3° to 45°7°)37°3°0%1 mph2 km/h from SSE, gusts 5 mph8 km/h80%5%0
Sat 9aSunny42°6° (likely 42°6° to 50°10°)42°6°0%1 mph2 km/h from SSE, gusts 4 mph7 km/h77%16%1
Sat 10aSunny49°9° (likely 49°9° to 56°13°)49°9°0%1 mph2 km/h from SSE, gusts 3 mph5 km/h73%34%2
Sat 11aSunny53°12° (likely 53°12° to 61°16°)53°12°0%3 mph5 km/h from NW, gusts 3 mph6 km/h64%39%3
Sat 12pSunny55°13° (likely 55°13° to 63°17°)55°13°0%3 mph5 km/h from NW, gusts 4 mph6 km/h63%41%4
Sat 1pSunny58°14° (likely 58°14° to 64°18°)58°14°0%3 mph5 km/h from NW, gusts 5 mph7 km/h60%41%4
Sat 2pSunny59°15° (likely 59°15° to 64°18°)59°15°0%5 mph8 km/h from NW, gusts 5 mph9 km/h58%42%4
Sat 3pSunny59°15° (likely 59°15° to 63°17°)59°15°0%5 mph8 km/h from NW, gusts 6 mph10 km/h60%39%4
Sat 4pPartly sunny60°16° (likely 58°14° to 61°16°)60°16°0%5 mph8 km/h from NW, gusts 7 mph11 km/h64%30%3
Sat 5pPartly sunny56°13° (likely 56°13° to 59°15°)56°13°0%3 mph5 km/h from NNW, gusts 7 mph12 km/h71%32%1
Sat 6pClear54°12° (likely 53°12° to 56°13°)54°12°0%3 mph5 km/h from NNW, gusts 7 mph11 km/h78%35%1
Sat 7pClear53°12° (likely 49°9° to 53°12°)53°12°0%3 mph5 km/h from NNW, gusts 6 mph10 km/h83%16%0
Sat 8pMostly clear48°9° (likely 47°8° to 50°10°)48°9°0%1 mph2 km/h from NNE, gusts 5 mph9 km/h86%22%0
Sat 9pMostly cloudy47°8° (likely 46°8° to 49°9°)47°8°0%1 mph2 km/h from NNE, gusts 4 mph6 km/h89%52%0
Sat 10pCloudy46°8° (likely 45°7° to 48°9°)46°8°0%1 mph2 km/h from NNE, gusts 4 mph6 km/h90%68%0
Sat 11pMostly cloudy45°7° (likely 45°7° to 47°8°)45°7°0%1 mph2 km/h from E, gusts 4 mph6 km/h91%73%0
Sun 12aCloudy44°7° (likely 44°7° to 47°8°)44°7°0%1 mph2 km/h from E, gusts 4 mph6 km/h92%77%0
Sun 1aCloudy43°6° (likely 43°6° to 47°8°)43°6°0%1 mph2 km/h from E, gusts 3 mph5 km/h93%78%0
Sun 2aCloudy42°6° (likely 42°6° to 48°9°)42°6°0%1 mph2 km/h from E, gusts 4 mph6 km/h95%80%0
Sun 3aCloudy41°5° (likely 41°5° to 48°9°)41°5°0%1 mph2 km/h from E, gusts 4 mph7 km/h96%81%0
Sun 4aCloudy40°4° (likely 40°4° to 47°8°)40°4°0%1 mph2 km/h from E, gusts 4 mph7 km/h97%80%0
Sun 5aFog39°4° (likely 39°4° to 47°8°)39°4°0%1 mph2 km/h from E, gusts 5 mph7 km/h97%81%0
Sun 6aFog38°3° (likely 38°3° to 46°8°)38°3°0%1 mph2 km/h from E, gusts 5 mph8 km/h97%79%0
Sun 7aFog38°3° (likely 38°3° to 46°8°)38°3°0%1 mph2 km/h from E, gusts 5 mph8 km/h97%75%0
Sun 8aFog39°4° (likely 39°4° to 46°8°)39°4°0%1 mph2 km/h from ESE, gusts 5 mph8 km/h95%73%0
Sun 9aFog42°6° (likely 42°6° to 49°9°)42°6°0%1 mph2 km/h from ESE, gusts 4 mph7 km/h90%63%0
Sun 10aCloudy48°9° (likely 48°9° to 54°12°)48°9°0%1 mph2 km/h from ESE, gusts 5 mph8 km/h83%80%1
Sun 11aCloudy53°12° (likely 53°12° to 57°14°)53°12°0%0 mph0 km/h, gusts 4 mph6 km/h76%84%2
Sun 12pCloudy56°13° (likely 55°13° to 59°15°)56°13°0%0 mph0 km/h, gusts 3 mph4 km/h71%86%3
Sun 1pCloudy58°14° (likely 57°14° to 61°16°)58°14°0%0 mph0 km/h, gusts 4 mph6 km/h68%88%3
Sun 2pCloudy59°15° (likely 57°14° to 61°16°)59°15°0%3 mph5 km/h from W, gusts 6 mph10 km/h67%92%3
Sun 3pCloudy59°15° (likely 57°14° to 60°16°)59°15°0%3 mph5 km/h from W, gusts 6 mph9 km/h69%92%2
Sun 4pMostly cloudy58°14° (likely 57°14° to 59°15°)58°14°0%3 mph5 km/h from W, gusts 7 mph11 km/h73%51%2
Sun 5pSunny57°14° (likely 56°13° to 58°14°)57°14°30%2 mph3 km/h from W, gusts 8 mph13 km/h78%46%1
Sun 6pClear55°13° (likely 54°12° to 56°13°)55°13°30%2 mph3 km/h from W, gusts 7 mph12 km/h82%20%0
Sun 7pRain53°12° (likely 52°11° to 53°12°)53°12°30%2 mph3 km/h from W, gusts 10 mph16 km/h87%46%0
Sun 8pRain51°11° (likely 49°9° to 54°12°)51°11°30%1 mph2 km/h from SSE, gusts 10 mph16 km/h90%45%0
Sun 9pMostly clear50°10° (likely 49°9° to 51°11°)50°10°30%1 mph2 km/h from SSE, gusts 11 mph17 km/h92%33%0
Sun 10pClear49°9° (likely 49°9° to 52°11°)49°9°30%1 mph2 km/h from SSE, gusts 11 mph17 km/h93%34%0
Sun 11pRain48°9° (likely 48°9° to 53°12°)47°8°60%, 0.07 in1.8 mm3 mph5 km/h from SSE, gusts 12 mph20 km/h93%78%0
Mon 12aRain47°8° (likely 47°8° to 53°12°)46°8°60%, 0.07 in1.8 mm3 mph5 km/h from SSE, gusts 7 mph11 km/h94%82%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Partly sunny. High 61°16°, low 37°3°. Typical 61°16° / 46°8°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 37°3°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 60°16°

      Dry

    3. Evening

      6 PM–midnight

      Mostly cloudy, 48°9°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 39°4°

      Dry

    Official NWS forecast

    Today: Patchy frost before 11am. Mostly sunny. High near 61, with temperatures falling to around 56 in the afternoon. Northwest wind 1 to 5 mph.

    Tonight: Patchy frost after 5am. Mostly clear, with a low around 37. South southeast wind around 3 mph.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    60°16°–64°18°
    Low, likely
    37°3°–43°6°
    Typical high / low
    61°16° / 46°8°
    Wind
    7 mph11 km/h, gusts 14 mph22 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Rain. High 60°16°, low 43°6°. Typical 61°16° / 46°8°. Rain 0.02 in0.5 mm, 30% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Fog, 39°4°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 59°15°

      30% chance

    3. Evening

      6 PM–midnight

      Rain, 51°11°

      60% chance · 0.07 in1.8 mm

    4. Overnight

      midnight–6 AM

      Rain, 47°8°

      70% chance · 0.17 in4.2 mm

    Official NWS forecast

    Day: Patchy fog before 11am, then a chance of rain. Partly sunny, with a high near 60. South wind 0 to 3 mph. Chance of precipitation is 30%.

    Night: Rain likely. Mostly cloudy, with a low around 43. South wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    57°14°–61°16°
    Low, likely
    43°6°–46°8°
    Typical high / low
    61°16° / 46°8°
    Wind
    12 mph19 km/h, gusts 24 mph38 km/h
    UV peak
    3
  3. Monday, Oct 26. Rain. High 58°14°, low 41°5°. Typical 61°16° / 46°8°. Rain 0.16 in4.1 mm, 60% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 50°10°

      70% chance · 0.03 in0.7 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 59°15°

      50% chance · 0.03 in0.8 mm

    3. Evening

      6 PM–midnight

      Clear, 51°10°

      30% chance

    4. Overnight

      midnight–6 AM

      Clear, 45°7°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Rain likely. Mostly cloudy, with a high near 58. South southwest wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

    Night: A chance of rain before 5am. Mostly cloudy, with a low around 41. New rainfall amounts less than a tenth of an inch possible.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    57°14°–60°16°
    Low, likely
    41°5°–48°9°
    Typical high / low
    61°16° / 46°8°
    Wind
    6 mph10 km/h, gusts 17 mph27 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Mostly cloudy. High 57°14°, low 40°4°. Typical 61°16° / 46°8°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 58°14°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 51°10°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 47°8°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 57.

    Night: Patchy fog after 5am. Mostly cloudy, with a low around 40.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    56°13°–59°15°
    Low, likely
    40°4°–46°8°
    Typical high / low
    61°16° / 46°8°
    Wind
    12 mph19 km/h, gusts 17 mph28 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Fog. High 59°15°, low 42°6°. Typical 60°16° / 46°8°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 46°8°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 57°14°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 49°9°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 45°7°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Patchy fog before 11am. Partly sunny, with a high near 59.

    Night: Patchy fog after 8pm. Mostly cloudy, with a low around 42.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    55°13°–59°15°
    Low, likely
    41°5°–49°9°
    Typical high / low
    60°16° / 46°8°
    Wind
    9 mph14 km/h
    UV peak
    4
  6. Thursday, Oct 29. Rain. High 60°16°, low 42°6°. Typical 60°16° / 45°7°. Rain 0.02 in0.5 mm, 20% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 56°13°

      20% chance

    3. Evening

      6 PM–midnight

      Clear, 49°9°

      20% chance

    4. Overnight

      midnight–6 AM

      Mostly clear, 41°5°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Patchy fog before 11am, then a slight chance of rain. Partly sunny, with a high near 60.

    Night: A slight chance of rain before 8pm, then patchy fog and a slight chance of rain. Mostly cloudy, with a low around 42.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    55°13°–60°16°
    Low, likely
    41°5°–46°8°
    Typical high / low
    60°16° / 45°7°
    Wind
    9 mph15 km/h, gusts 23 mph37 km/h
    UV peak
    4
  7. Friday, Oct 30. Rain. High 59°15°, low 42°6°. Typical 60°16° / 45°7°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Mostly sunny, 44°7°

      20% chance

    2. Afternoon

      noon–6 PM

      Sunny, 58°14°

      20% chance

    3. Evening

      6 PM–midnight

      Clear, 48°9°

      30% chance

    4. Overnight

      midnight–6 AM

      Clear, 44°7°

      20% chance

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain before 8am, then a chance of rain and patchy fog. Partly sunny, with a high near 59.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    54°12°–60°16°
    Low, likely
    39°4°–44°7°
    Typical high / low
    60°16° / 45°7°
    Wind
    8 mph13 km/h, gusts 17 mph28 km/h
    UV peak
    3
  8. Saturday, Oct 31. Mostly sunny. High 57°14°, low 44°7°. Typical 60°16° / 45°7°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 57°14°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 51°11°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 47°8°

      Dry

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    54°12°–62°17°
    Low, likely
    42°6°–47°8°
    Typical high / low
    60°16° / 45°7°
    Wind
    12 mph19 km/h, gusts 19 mph30 km/h
    UV peak
    3
  9. Sunday, Nov 1. Cloudy. High 62°17°, low 44°7°. Typical 60°16° / 45°7°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 49°9°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 62°17°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 55°13°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 51°10°

      Dry

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    57°14°–72°22°
    Low, likely
    42°6°–49°9°
    Typical high / low
    60°16° / 45°7°
    Wind
    9 mph15 km/h, gusts 17 mph28 km/h
    UV peak
    3
  10. Monday, Nov 2. Cloudy. High 64°18°, low 49°9°. Typical 60°16° / 45°7°. Rain 0.11 in2.8 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 65°18°

      20% chance · 0.04 in1.1 mm

    3. Evening

      6 PM–midnight

      Cloudy, 56°14°

      20% chance · 0.22 in5.6 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    58°14°–75°24°
    Low, likely
    45°7°–58°14°
    Typical high / low
    60°16° / 45°7°
    Wind
    7 mph12 km/h, gusts 17 mph28 km/h
    UV peak
    4

The outlook

  1. Today

    Dry, high 61°, low 37°.

  2. Tomorrow

    Dry, high 60°, low 43°.

  3. Monday

    57% chance of rain, high 58°, low 41°.

  4. Rest of week

    Mostly dry, highs 57–64°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (EKA) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Mad River near Arcata

9.1 mi
Below flood stage
Level
5.8 ft
Flow
57 cfs

Forecast peak 5.7 ft Tue 2 AM

Reading from Fri 11:45 PM · NWS gauge page

Eel River (CA) at Fernbridge

13 mi
Below flood stage
Level
-0.5 ft

Forecast peak 0.2 ft Sat 1 AM

Reading from Fri 11:15 PM · NWS gauge page

Eel River (CA) near Scotia

21 mi
Below flood stage
Level
8.8 ft
Flow
105 cfs

Forecast peak 8.8 ft Sat 5 AM

Reading from Sat 12:15 AM · NWS gauge page

Van Duzen River near Bridgeville

25 mi
Below flood stage
Level
-0.3 ft

Forecast peak -0.3 ft Tue 5 AM

Reading from Fri 11:15 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 60% less heating than a typical week.

This week 33Typical 83

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
22
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at. About 15 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 39°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Eureka WFO Woodley Island · official normals 1991–2020 · records 1886–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Normal high / low
61°16° / 46°8°
Forecast high / low
61°16° / 37°3°
Record high
81°27° in 2019
Record low
38°3° in 1919

Last 7 days vs normal

On average 0° colder than normal (daily mean temperature).

  1. −1°SunOct 18
  2. +1°±0°MonOct 19
  3. +1°±0°TueOct 20
  4. −1°WedOct 21
  5. ±0°ThuOct 22
  6. —FriOct 23
  7. —SatOct 24

Myrtletown weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:38 AM, sunset 6:22 PM.

Daylight
10 h 45 min
Losing 2 min 30 s a day; shortest Dec 21, 1 h 30 min less
Golden hour
5:44–6:40 PM
Morning 7:20–8:16 AM
Blue hour
6:40–6:50 PM
Morning 7:10–7:20 AM; first light 7:10 AM

Stars tonight? Good

Clear 1:32–7:10 AM; moon 96% lit, sets 5:58 AM.

Moon

Waxing gibbous

96% lit · growing

Today
sets 5:58 AM · rises 5:23 PM
Full moon
Oct 25
New moon
Nov 8
Looking east from Myrtletown. The highest point on the skyline is about 5,000 ft, 20 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.