Frost Advisory
Ends in 1 h 33 min
When
Until 9 AM PDT this morning.
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 precautionsHide details
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 7:00 AM PDT at KACV

Fairhaven, CA weather

Clear and 37°3°.

Forecasts differ

Now 37°3°

Clear

Wind: Calm; Up to 7 mph11 km/h through 7 PM
Dew point: 37°3°; Comfortable · up to 46°8° by 2 PM
Humidity: 100%; Air 37°3°, dew point 37°3° · fog or dew likely
UV index: 0Low; Moderate 11 AM–5 PM · peak 4
Air quality: 12Good; Main pollutant: PM10 (dust)
Pressure: 30.08 inHg1019 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

6°3° cooler than this time yesterday (44°7° then, 38°3° now)

Good hours for

High 54°12° today at 4 PM
Rain tomorrow night from 11 PM (60%, 0.48 in12 mm)

This morningUp to 49°9° by 11 AM · Clear
This afternoonUp to 54°12° by 4 PM · Partly cloudy
TonightDown to 45°7° by 4 AM · Mostly cloudy
Tomorrow morningUp to 49°9° by 11 AM · Mostly cloudy
Tomorrow afternoonNear 52°11° · rain chance 30% · Mostly cloudy
Tomorrow nightNear 52°11° · Rain 11 PM–6 AM (60%)

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 7a	Clear	42°6° (likely 42°6° to 46°8°)	42°6°	0%	2 mph3 km/h from SSE, gusts 5 mph7 km/h	77%	8%	0
Sat 8a	Sunny	43°6° (likely 42°6° to 47°8°)	43°6°	0%	1 mph2 km/h from ESE, gusts 5 mph8 km/h	76%	6%	0
Sat 9a	Sunny	44°7° (likely 44°7° to 50°10°)	44°7°	0%	1 mph2 km/h from ESE, gusts 5 mph8 km/h	77%	7%	1
Sat 10a	Sunny	47°8° (likely 47°8° to 56°13°)	47°8°	0%	1 mph2 km/h from ESE, gusts 4 mph7 km/h	79%	3%	2
Sat 11a	Sunny	49°9° (likely 49°9° to 60°16°)	47°8°	0%	5 mph8 km/h from NW, gusts 4 mph6 km/h	76%	3%	3
Sat 12p	Sunny	49°9° (likely 49°9° to 63°17°)	47°8°	0%	5 mph8 km/h from NW, gusts 4 mph7 km/h	77%	3%	4
Sat 1p	Mostly sunny	52°11° (likely 52°11° to 63°17°)	52°11°	0%	5 mph8 km/h from NW, gusts 9 mph14 km/h	76%	12%	4
Sat 2p	Sunny	53°12° (likely 53°12° to 63°17°)	53°12°	0%	7 mph11 km/h from NNW, gusts 11 mph17 km/h	76%	35%	4
Sat 3p	Sunny	53°12° (likely 53°12° to 62°17°)	53°12°	0%	7 mph11 km/h from NNW, gusts 11 mph18 km/h	79%	41%	4
Sat 4p	Sunny	54°12° (likely 54°12° to 61°16°)	54°12°	0%	7 mph11 km/h from NNW, gusts 12 mph19 km/h	82%	41%	3
Sat 5p	Sunny	53°12° (likely 53°12° to 59°15°)	53°12°	0%	3 mph5 km/h from NNW, gusts 12 mph20 km/h	84%	39%	2
Sat 6p	Clear	52°11° (likely 52°11° to 56°13°)	52°11°	0%	3 mph5 km/h from NNW, gusts 10 mph17 km/h	86%	40%	1
Sat 7p	Clear	52°11° (likely 50°10° to 53°12°)	52°11°	0%	3 mph5 km/h from NNW, gusts 9 mph14 km/h	85%	40%	0
Sat 8p	Clear	50°10° (likely 49°9° to 51°11°)	49°9°	0%	3 mph5 km/h from N, gusts 7 mph12 km/h	84%	40%	0
Sat 9p	Mostly cloudy	50°10° (likely 47°8° to 51°11°)	49°9°	0%	3 mph5 km/h from N, gusts 7 mph12 km/h	85%	53%	0
Sat 10p	Mostly cloudy	49°9° (likely 45°7° to 50°10°)	48°9°	0%	3 mph5 km/h from N, gusts 8 mph13 km/h	84%	63%	0
Sat 11p	Mostly cloudy	48°9° (likely 44°7° to 50°10°)	47°8°	0%	3 mph5 km/h from N, gusts 8 mph12 km/h	84%	64%	0
Sun 12a	Mostly cloudy	48°9° (likely 44°7° to 49°9°)	47°8°	0%	3 mph5 km/h from N, gusts 7 mph12 km/h	87%	71%	0
Sun 1a	Mostly cloudy	47°8° (likely 44°7° to 49°9°)	46°8°	0%	3 mph5 km/h from N, gusts 7 mph11 km/h	88%	76%	0
Sun 2a	Cloudy	47°8° (likely 44°7° to 49°9°)	47°8°	0%	2 mph3 km/h from ENE, gusts 7 mph11 km/h	87%	80%	0
Sun 3a	Cloudy	46°8° (likely 44°7° to 48°9°)	45°7°	0%	2 mph3 km/h from ENE, gusts 7 mph11 km/h	88%	80%	0
Sun 4a	Cloudy	45°7° (likely 44°7° to 48°9°)	44°7°	0%	2 mph3 km/h from ENE, gusts 7 mph12 km/h	87%	78%	0
Sun 5a	Mostly cloudy	45°7° (likely 43°6° to 48°9°)	43°6°	0%	3 mph5 km/h from ENE, gusts 8 mph13 km/h	86%	78%	0
Sun 6a	Mostly cloudy	44°7° (likely 43°6° to 47°8°)	43°6°	0%	3 mph5 km/h from ENE, gusts 8 mph12 km/h	87%	77%	0
Sun 7a	Mostly cloudy	44°7° (likely 43°6° to 47°8°)	43°6°	0%	3 mph5 km/h from ENE, gusts 8 mph12 km/h	87%	75%	0
Sun 8a	Cloudy	45°7° (likely 43°6° to 48°9°)	44°7°	0%	3 mph5 km/h from E, gusts 8 mph12 km/h	86%	76%	0
Sun 9a	Cloudy	46°8° (likely 46°8° to 50°10°)	45°7°	0%	3 mph5 km/h from E, gusts 4 mph7 km/h	87%	82%	0
Sun 10a	Cloudy	48°9° (likely 48°9° to 55°13°)	46°8°	0%	3 mph5 km/h from E, gusts 6 mph9 km/h	88%	83%	1
Sun 11a	Cloudy	49°9° (likely 49°9° to 59°15°)	49°9°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	89%	83%	2
Sun 12p	Cloudy	51°11° (likely 51°11° to 61°16°)	51°11°	0%	1 mph2 km/h from S, gusts 4 mph6 km/h	88%	86%	3
Sun 1p	Cloudy	52°11° (likely 52°11° to 61°16°)	52°11°	0%	1 mph2 km/h from S, gusts 4 mph6 km/h	87%	98%	4
Sun 2p	Cloudy	53°12° (likely 53°12° to 60°16°)	53°12°	0%	5 mph8 km/h from W, gusts 5 mph8 km/h	86%	98%	4
Sun 3p	Cloudy	54°12° (likely 54°12° to 60°16°)	54°12°	0%	5 mph8 km/h from W, gusts 6 mph10 km/h	87%	90%	3
Sun 4p	Mostly cloudy	54°12° (likely 54°12° to 60°16°)	54°12°	0%	5 mph8 km/h from W, gusts 5 mph8 km/h	89%	42%	2
Sun 5p	Sunny	53°12° (likely 53°12° to 59°15°)	53°12°	30%	2 mph3 km/h from WSW, gusts 6 mph10 km/h	90%	8%	1
Sun 6p	Clear	53°12° (likely 53°12° to 56°13°)	53°12°	30%	2 mph3 km/h from WSW, gusts 7 mph11 km/h	90%	31%	0
Sun 7p	Rain	53°12° (likely 52°11° to 54°12°)	53°12°	30%	2 mph3 km/h from WSW, gusts 7 mph12 km/h	89%	37%	0
Sun 8p	Rain	53°12° (likely 50°10° to 53°12°)	53°12°	30%	2 mph3 km/h from S, gusts 9 mph15 km/h	88%	46%	0
Sun 9p	Rain	53°12° (likely 50°10° to 54°12°)	53°12°	30%	2 mph3 km/h from S, gusts 10 mph16 km/h	88%	54%	0
Sun 10p	Cloudy	52°11° (likely 51°11° to 54°12°)	52°11°	30%	2 mph3 km/h from S, gusts 11 mph18 km/h	87%	73%	0
Sun 11p	Cloudy	52°11° (likely 52°11° to 55°13°)	52°11°	60%, 0.07 in1.8 mm	5 mph8 km/h from S, gusts 13 mph21 km/h	87%	98%	0
Mon 12a	Rain	52°11° (likely 52°11° to 55°13°)	52°11°	60%, 0.07 in1.8 mm	5 mph8 km/h from S, gusts 12 mph19 km/h	87%	97%	0
Mon 1a	Drizzle	51°11° (likely 51°11° to 54°12°)	51°11°	60%, 0.07 in1.8 mm	5 mph8 km/h from S, gusts 10 mph16 km/h	87%	90%	0
Mon 2a	Cloudy	51°11° (likely 51°11° to 53°12°)	49°9°	60%, 0.07 in1.8 mm	6 mph10 km/h from S, gusts 9 mph14 km/h	87%	86%	0
Mon 3a	Rain	51°11° (likely 51°11° to 53°12°)	48°9°	60%, 0.07 in1.8 mm	6 mph10 km/h from S, gusts 7 mph12 km/h	88%	84%	0
Mon 4a	Rain	50°10° (likely 50°10° to 52°11°)	48°9°	60%, 0.07 in1.8 mm	6 mph10 km/h from S, gusts 8 mph12 km/h	88%	79%	0
Mon 5a	Rain	50°10° (likely 49°9° to 51°11°)	48°9°	60%, 0.03 in0.8 mm	6 mph10 km/h from SSE, gusts 8 mph13 km/h	89%	56%	0
Mon 6a	Drizzle	49°9° (likely 49°9° to 51°11°)	47°8°	60%, 0.03 in0.8 mm	6 mph10 km/h from SSE, gusts 11 mph17 km/h	89%	77%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Partly sunny. High 55°13°, low 44°7°. Typical 61°16° / 46°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 55. Northeast wind 1 to 7 mph.
Tonight: Mostly cloudy, with a low around 44. North northeast wind around 3 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
55°13°–63°17°
Low, likely
41°5°–44°7°
Typical high / low
61°16° / 46°8°
Wind
9 mph15 km/h, gusts 15 mph24 km/h
UV peak
4
Tomorrow, Oct 25. Rain. High 55°13°, low 49°9°. Typical 61°16° / 46°8°. Rain 0.02 in0.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 54°12°
  30% chance
3. Evening
  6 PM–midnight
  Rain, 53°12°
  60% chance · 0.07 in1.8 mm
4. Overnight
  midnight–6 AM
  Rain, 50°10°
  60% chance · 0.38 in9.7 mm
Official NWS forecast
Day: A chance of rain after 5pm. Partly sunny, with a high near 55. South wind 1 to 5 mph. Chance of precipitation is 30%.
Night: Rain likely. Mostly cloudy, with a low around 49. South wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
55°13°–61°16°
Low, likely
43°6°–49°9°
Typical high / low
61°16° / 46°8°
Wind
9 mph14 km/h, gusts 18 mph28 km/h
UV peak
4
Monday, Oct 26. Rain. High 55°13°, low 47°8°. Typical 61°16° / 46°8°. Rain 0.18 in4.6 mm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 51°10°
  70% chance · 0.07 in1.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 59°15°
  50% chance · 0.05 in1.1 mm
3. Evening
  6 PM–midnight
  Mostly clear, 51°11°
  20% chance
4. Overnight
  midnight–6 AM
  Partly cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Partly sunny, with a high near 55. South southwest wind around 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 47. Southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–60°16°
Low, likely
46°8°–50°10°
Typical high / low
61°16° / 46°8°
Wind
9 mph14 km/h, gusts 19 mph31 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 54°12°, low 47°8°. Typical 61°16° / 46°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 44°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 54.
Night: Mostly cloudy, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
54°12°–61°16°
Low, likely
41°5°–48°9°
Typical high / low
61°16° / 46°8°
Wind
12 mph19 km/h, gusts 24 mph38 km/h
UV peak
4
Wednesday, Oct 28. Mostly cloudy. High 54°12°, low 47°8°. Typical 60°16° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 49°10°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 54.
Night: Mostly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–60°16°
Low, likely
42°6°–50°10°
Typical high / low
60°16° / 46°8°
Wind
10 mph16 km/h
UV peak
4
Thursday, Oct 29. Rain. High 55°13°, low 48°9°. Typical 60°16° / 45°7°. Rain 0.02 in0.5 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  20% chance
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  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 55.
Night: A slight chance of rain. Mostly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–58°14°
Low, likely
43°6°–48°9°
Typical high / low
60°16° / 45°7°
Wind
9 mph14 km/h, gusts 23 mph37 km/h
UV peak
4
Friday, Oct 30. Rain. High 55°13°, low 48°9°. Typical 60°16° / 45°7°. Rain 0.15 in3.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 55°13°
  20% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Clear, 47°8°
  30% chance · 0.08 in2.1 mm
4. Overnight
  midnight–6 AM
  Clear, 42°5°
  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 55.
Night: A chance of rain before 8pm. Mostly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–56°13°
Low, likely
40°4°–48°9°
Typical high / low
60°16° / 45°7°
Wind
10 mph16 km/h, gusts 22 mph35 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 56°13°, low 42°6°. Typical 60°16° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–60°16°
Low, likely
38°3°–46°8°
Typical high / low
60°16° / 45°7°
Wind
12 mph19 km/h
UV peak
3
Sunday, Nov 1. Mostly sunny. High 58°14°, low 44°7°. Typical 60°16° / 45°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 58°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 46°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
53°12°–68°20°
Low, likely
39°4°–47°8°
Typical high / low
60°16° / 45°7°
Wind
9 mph15 km/h, gusts 21 mph34 km/h
UV peak
4
Monday, Nov 2. Cloudy. High 60°16°, low 46°8°. Typical 60°16° / 45°7°. Rain 0.25 in6.4 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 62°16°
  30% chance · 0.16 in4 mm
3. Evening
  6 PM–midnight
  Mostly clear, 48°9°
  30% chance · 0.18 in4.6 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
53°12°–71°22°
Low, likely
41°5°–50°10°
Typical high / low
60°16° / 45°7°
Wind
9 mph14 km/h, gusts 23 mph37 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 55°, low 44°.
Tomorrow
30% chance of rain, high 55°, low 49°.
Monday
58% chance of rain, high 55°, low 47°.
Rest of week
Mostly dry, highs 54–60°.

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

11 mi

Below flood stage

Level: 5.7 ft
Flow: 55 cfs

Forecast peak 5.7 ft Tue 2 AM

Reading from Sat 5:45 AM · NWS gauge page

Eel River (CA) at Fernbridge

12 mi

Below flood stage

Level: -0.5 ft

Forecast peak 0.2 ft Sat 7 AM

Reading from Sat 5:15 AM · NWS gauge page

Eel River (CA) near Scotia

21 mi

Below flood stage

Level: 8.8 ft
Flow: 107 cfs

Forecast peak 8.8 ft Sat 7 AM

Reading from Sat 6:15 AM · NWS gauge page

Elk River near Falk

6.4 mi

Level: 2.6 ft

Reading from Sat 5:45 AM · NWS gauge page

For your home

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

Heating this week

About 64% less heating than a typical week.

This week 30Typical 83

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 12
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 37°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 6°3° colder than typical.

Last 7 days vs normal

On average 1°0° colder than normal (daily mean temperature).

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

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

Sun & moon

Sun

Daylight: 10 h 45 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 30 min less
Golden hour: 5:45–6:40 PM; Morning 7:21–8:16 AM
Blue hour: 6:40–6:51 PM; Morning 7:10–7:21 AM; first light 7:10 AM

Stars tonight? Poor

Clouds most of the night (about 65% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:58 AM · rises 5:23 PM
Full moon: Oct 25
New moon: Nov 8

Looking east from Fairhaven. 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.

1 active weather alert

Frost Advisory

Fairhaven, CA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Mad River near Arcata

Eel River (CA) at Fernbridge

Eel River (CA) near Scotia

Elk River near Falk

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Poor

Moon