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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 12:10 AM PDT at KFOT

Humboldt Hill, CA weather

Clear and 45°7°.

Today: low 41°5° (likely 40°4° to 44°7°), high 57°14° (likely 57°14° to 63°17°).

Forecasts differ

Now 45°7°

Clear · Feels like 41°5°

Wind
6 mph9 km/h
From the east-southeast. Up to 6 mph9 km/h through 1 PM
Dew point
45°7°
Comfortable · down to 36°2° by 5 AM
Humidity
100%
Air 45°7°, dew point 45°7° · fog or dew likely
UV index
0Low
Moderate 11 AM–5 PM · peak 4
Air quality
24Good
Main pollutant: PM10 (dust)
Pressure
30.13 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

5°3° cooler than this time yesterday (50°10° then, 45°7° now)

Good hours for
  • Low 41°5° tonight at 5 AM
  • Above 50°10° today by 11 AM
  • High 56°13° today at 2 PM
  • Rain tomorrow night from 11 PM (60%, 0.14 in3.6 mm)
  1. TonightDown to 41°5° by 5 AM · Clear
  2. This morningUp to 50°10° by 11 AM · Clear
  3. This afternoonUp to 56°13° by 2 PM · Partly cloudy
  4. TonightDown to 43°6° by 4 AM · Mostly cloudy
  5. Tomorrow morningUp to 51°11° by 11 AM · Mostly cloudy
  6. Tomorrow afternoonUp to 57°14° by 3 PM · rain chance 30% · Mostly cloudy
  7. Tomorrow nightDown to 50°10° by 10 PM · Rain 11 PM–1 AM (60%)
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 1aClear45°7° (likely 41°5° to 46°8°)45°7°0%1 mph2 km/h from S, gusts 5 mph9 km/h87%11%0
Sat 2aClear44°7° (likely 41°5° to 45°7°)44°7°0%2 mph3 km/h from SSE, gusts 5 mph8 km/h85%11%0
Sat 3aClear44°7° (likely 41°5° to 45°7°)44°7°0%2 mph3 km/h from SSE, gusts 5 mph7 km/h85%11%0
Sat 4aClear42°6° (likely 42°6° to 44°7°)42°6°0%2 mph3 km/h from SSE, gusts 5 mph8 km/h83%9%0
Sat 5aClear41°5° (likely 41°5° to 44°7°)41°5°0%2 mph3 km/h from SE, gusts 5 mph9 km/h80%8%0
Sat 6aClear41°5° (likely 41°5° to 44°7°)41°5°0%2 mph3 km/h from SE, gusts 5 mph8 km/h78%6%0
Sat 7aClear41°5° (likely 41°5° to 44°7°)41°5°0%2 mph3 km/h from SE, gusts 5 mph8 km/h77%3%0
Sat 8aSunny41°5° (likely 41°5° to 45°7°)41°5°0%1 mph2 km/h from SSE, gusts 5 mph7 km/h75%7%0
Sat 9aMostly sunny44°7° (likely 44°7° to 49°9°)44°7°0%1 mph2 km/h from SSE, gusts 5 mph7 km/h76%10%1
Sat 10aSunny48°9° (likely 48°9° to 56°13°)48°9°0%1 mph2 km/h from SSE, gusts 4 mph6 km/h76%30%2
Sat 11aSunny50°10° (likely 50°10° to 60°16°)49°9°0%3 mph5 km/h from NW, gusts 3 mph6 km/h71%38%3
Sat 12pSunny52°11° (likely 52°11° to 62°17°)52°11°0%3 mph5 km/h from NW, gusts 5 mph8 km/h70%41%4
Sat 1pSunny55°13° (likely 55°13° to 63°17°)55°13°0%3 mph5 km/h from NW, gusts 6 mph9 km/h68%38%4
Sat 2pSunny56°13° (likely 56°13° to 63°17°)56°13°0%6 mph10 km/h from NNW, gusts 7 mph11 km/h67%42%4
Sat 3pSunny56°13° (likely 56°13° to 62°17°)56°13°0%6 mph10 km/h from NNW, gusts 8 mph14 km/h70%39%4
Sat 4pSunny56°13° (likely 56°13° to 60°16°)56°13°0%6 mph10 km/h from NNW, gusts 9 mph14 km/h73%33%3
Sat 5pSunny55°13° (likely 55°13° to 58°14°)55°13°0%5 mph8 km/h from N, gusts 10 mph15 km/h78%35%1
Sat 6pClear54°12° (likely 52°11° to 55°13°)54°12°0%5 mph8 km/h from N, gusts 9 mph14 km/h81%34%1
Sat 7pClear53°12° (likely 49°9° to 53°12°)53°12°0%5 mph8 km/h from N, gusts 8 mph12 km/h82%14%0
Sat 8pMostly clear49°9° (likely 47°8° to 49°9°)49°9°0%2 mph3 km/h from N, gusts 7 mph11 km/h83%20%0
Sat 9pPartly cloudy49°9° (likely 45°7° to 49°9°)49°9°0%2 mph3 km/h from N, gusts 8 mph13 km/h86%49%0
Sat 10pCloudy48°9° (likely 44°7° to 48°9°)48°9°0%2 mph3 km/h from N, gusts 7 mph11 km/h86%68%0
Sat 11pMostly cloudy47°8° (likely 44°7° to 47°8°)47°8°0%2 mph3 km/h from NE, gusts 6 mph10 km/h85%73%0
Sun 12aCloudy47°8° (likely 43°6° to 47°8°)47°8°0%2 mph3 km/h from NE, gusts 6 mph10 km/h85%77%0
Sun 1aCloudy46°8° (likely 43°6° to 47°8°)46°8°0%2 mph3 km/h from NE, gusts 6 mph10 km/h88%79%0
Sun 2aCloudy45°7° (likely 44°7° to 47°8°)45°7°0%2 mph3 km/h from ENE, gusts 7 mph11 km/h89%80%0
Sun 3aCloudy44°7° (likely 43°6° to 47°8°)44°7°0%2 mph3 km/h from ENE, gusts 7 mph11 km/h89%81%0
Sun 4aCloudy43°6° (likely 43°6° to 47°8°)43°6°0%2 mph3 km/h from ENE, gusts 5 mph9 km/h89%80%0
Sun 5aCloudy43°6° (likely 42°6° to 46°8°)43°6°0%2 mph3 km/h from ENE, gusts 6 mph9 km/h88%81%0
Sun 6aCloudy42°6° (likely 42°6° to 46°8°)42°6°0%2 mph3 km/h from ENE, gusts 6 mph9 km/h88%79%0
Sun 7aMostly cloudy42°6° (likely 42°6° to 46°8°)42°6°0%2 mph3 km/h from ENE, gusts 6 mph10 km/h87%75%0
Sun 8aMostly cloudy43°6° (likely 42°6° to 46°8°)42°6°0%3 mph5 km/h from E, gusts 6 mph10 km/h86%73%0
Sun 9aMostly cloudy45°7° (likely 45°7° to 49°9°)44°7°0%3 mph5 km/h from E, gusts 6 mph10 km/h86%63%0
Sun 10aCloudy48°9° (likely 48°9° to 53°12°)47°8°0%3 mph5 km/h from E, gusts 6 mph10 km/h86%80%1
Sun 11aCloudy51°11° (likely 51°11° to 56°13°)51°11°0%1 mph2 km/h from SSW, gusts 3 mph5 km/h85%85%2
Sun 12pCloudy53°12° (likely 53°12° to 59°15°)53°12°0%1 mph2 km/h from SSW, gusts 2 mph4 km/h82%87%3
Sun 1pCloudy55°13° (likely 55°13° to 60°16°)55°13°0%1 mph2 km/h from SSW, gusts 4 mph7 km/h78%90%3
Sun 2pCloudy56°13° (likely 55°13° to 60°16°)56°13°0%5 mph8 km/h from W, gusts 6 mph10 km/h76%96%3
Sun 3pCloudy57°14° (likely 55°13° to 59°15°)57°14°0%5 mph8 km/h from W, gusts 6 mph10 km/h78%85%2
Sun 4pMostly cloudy56°13° (likely 56°13° to 59°15°)56°13°0%5 mph8 km/h from W, gusts 8 mph12 km/h81%60%2
Sun 5pSunny56°13° (likely 55°13° to 58°14°)56°13°30%3 mph5 km/h from W, gusts 9 mph15 km/h84%43%1
Sun 6pClear55°13° (likely 53°12° to 55°13°)55°13°30%3 mph5 km/h from W, gusts 9 mph15 km/h85%18%0
Sun 7pRain53°12° (likely 51°11° to 53°12°)53°12°30%3 mph5 km/h from W, gusts 11 mph18 km/h86%47%0
Sun 8pRain52°11° (likely 48°9° to 52°11°)52°11°30%2 mph3 km/h from S, gusts 11 mph18 km/h87%36%0
Sun 9pClear51°11° (likely 48°9° to 51°11°)51°11°30%2 mph3 km/h from S, gusts 11 mph18 km/h88%23%0
Sun 10pRain50°10° (likely 48°9° to 51°11°)50°10°30%2 mph3 km/h from S, gusts 12 mph19 km/h89%46%0
Sun 11pRain50°10° (likely 49°9° to 52°11°)48°9°60%, 0.07 in1.8 mm5 mph8 km/h from SSE, gusts 14 mph22 km/h89%67%0
Mon 12aRain50°10° (likely 48°9° to 52°11°)48°9°60%, 0.07 in1.8 mm5 mph8 km/h from SSE, gusts 9 mph14 km/h89%88%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Partly sunny. High 57°14°, low 41°5°. Typical 61°16° / 46°8°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Mostly sunny, 41°5°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 56°13°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 49°9°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 43°6°

      Dry

    Official NWS forecast

    Today: Mostly sunny, with a high near 57. North wind 1 to 6 mph.

    Tonight: Mostly clear, with a low around 41. South southeast wind around 2 mph.

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

    High, likely
    57°14°–63°17°
    Low, likely
    40°4°–44°7°
    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 58°14°, low 47°8°. Typical 61°16° / 46°8°. Rain 0.02 in0.5 mm, 30% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly cloudy, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 57°14°

      30% chance

    3. Evening

      6 PM–midnight

      Rain, 52°11°

      60% chance · 0.07 in1.8 mm

    4. Overnight

      midnight–6 AM

      Rain, 49°9°

      70% chance · 0.16 in4.1 mm

    Official NWS forecast

    Day: A chance of rain after 5pm. Partly sunny, with a high near 58. South southwest wind 1 to 5 mph. Chance of precipitation is 30%.

    Night: Rain likely. Mostly cloudy, with a low around 47. South wind around 5 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
    56°13°–60°16°
    Low, likely
    42°6°–47°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 57°14°, low 45°7°. Typical 61°16° / 46°8°. Rain 0.15 in3.8 mm, 60% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Drizzle, 48°9°

      70% chance · 0.03 in0.7 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 58°14°

      50% chance · 0.03 in0.6 mm

    3. Evening

      6 PM–midnight

      Clear, 50°10°

      20% chance

    4. Overnight

      midnight–6 AM

      Clear, 44°6°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Rain likely. Partly sunny, with a high near 57. South southwest wind 3 to 7 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 45. New rainfall amounts less than a tenth of an inch possible.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    57°14°–59°15°
    Low, likely
    45°7°–48°9°
    Typical high / low
    61°16° / 46°8°
    Wind
    8 mph12 km/h, gusts 17 mph27 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Partly sunny. High 56°13°, low 45°7°. Typical 61°16° / 46°8°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 57°14°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 49°10°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 46°8°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 56.

    Night: Mostly cloudy, with a low around 45.

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

    High, likely
    55°13°–58°14°
    Low, likely
    42°6°–46°8°
    Typical high / low
    61°16° / 46°8°
    Wind
    9 mph15 km/h, gusts 17 mph28 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Mostly cloudy. High 56°13°, low 45°7°. Typical 60°16° / 46°8°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 56°13°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 47°8°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 44°6°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 56.

    Night: Mostly cloudy, with a low around 45.

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

    High, likely
    54°12°–57°14°
    Low, likely
    40°4°–46°8°
    Typical high / low
    60°16° / 46°8°
    Wind
    9 mph14 km/h, gusts 15 mph24 km/h
    UV peak
    4
  6. Thursday, Oct 29. Rain. High 57°14°, low 46°8°. Typical 60°16° / 45°7°. Rain 0.02 in0.5 mm, 20% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 55°13°

      20% chance

    3. Evening

      6 PM–midnight

      Clear, 47°8°

      20% chance

    4. Overnight

      midnight–6 AM

      Mostly clear, 40°4°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain after 5pm. Partly sunny, with a high near 57.

    Night: A slight chance of rain. Mostly cloudy, with a low around 46.

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

    High, likely
    55°13°–57°14°
    Low, likely
    40°4°–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 57°14°, low 41°5°. Typical 60°16° / 45°7°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 43°6°

      20% chance

    2. Afternoon

      noon–6 PM

      Sunny, 57°14°

      20% chance

    3. Evening

      6 PM–midnight

      Clear, 46°8°

      30% chance

    4. Overnight

      midnight–6 AM

      Mostly clear, 43°6°

      20% chance

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Partly sunny, with a high near 57.

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

    High, likely
    54°12°–59°15°
    Low, likely
    38°3°–43°6°
    Typical high / low
    60°16° / 45°7°
    Wind
    9 mph15 km/h, gusts 17 mph28 km/h
    UV peak
    3
  8. Saturday, Oct 31. Cloudy. High 56°13°, low 43°6°. Typical 60°16° / 45°7°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 57°14°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 49°10°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 44°7°

      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°–61°16°
    Low, likely
    40°4°–46°8°
    Typical high / low
    60°16° / 45°7°
    Wind
    9 mph14 km/h, gusts 19 mph30 km/h
    UV peak
    3
  9. Sunday, Nov 1. Cloudy. High 61°16°, low 43°6°. Typical 60°16° / 45°7°. Rain, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 61°16°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 52°11°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 49°9°

      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
    56°13°–71°22°
    Low, likely
    37°3°–48°9°
    Typical high / low
    60°16° / 45°7°
    Wind
    7 mph10 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, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 64°18°

      20% chance · 0.04 in1.1 mm

    3. Evening

      6 PM–midnight

      Cloudy, 55°13°

      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
    57°14°–74°23°
    Low, likely
    45°7°–57°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 57°, low 41°.

  2. Tomorrow

    Dry, high 58°, low 47°.

  3. Monday

    58% chance of rain, high 57°, low 45°.

  4. Rest of week

    Mostly dry, highs 56–64°.

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

Eel River (CA) at Fernbridge

7.4 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

Mad River near Arcata

15 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) near Scotia

17 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

23 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 62% less heating than a typical week.

This week 32Typical 83

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
19
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 4 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 45°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 4°2° colder than typical.

Normal high / low
61°16° / 46°8°
Forecast high / low
57°14° / 41°5°
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

Humboldt Hill weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:38 AM, sunset 6:23 PM.

Daylight
10 h 45 min
Losing 2 min 25 s a day; shortest Dec 21, 1 h 30 min less
Golden hour
5:45–6:40 PM
Morning 7:20–8:16 AM
Blue hour
6:40–6:51 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 Humboldt Hill. The highest point on the skyline is about 5,400 ft, 28 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.