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Fairhaven, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Fairhaven, a community in Humboldt County, California.

Overnight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. Southeast wind around 3 mph.

7-day forecast for Fairhaven

WhenTempForecastWindPrecip
Overnight 52°F Partly Cloudy 3 mph SE 0%
Tuesday 70°F Patchy Smoke 3 to 10 mph SW 0%
Tuesday Night 57°F Patchy Smoke then Patchy Fog 1 to 6 mph SSW 0%
Wednesday 63°F Patchy Fog then Mostly Sunny 1 to 7 mph SW 0%
Wednesday Night 56°F Partly Cloudy 1 to 5 mph NNW 0%
Thursday 62°F Partly Sunny 1 to 6 mph NW 0%
Thursday Night 55°F Mostly Cloudy 5 mph NNW 1%
Friday 61°F Mostly Sunny 2 to 7 mph NNW 0%
Friday Night 56°F Partly Cloudy 1 to 7 mph NNW 0%
Saturday 62°F Mostly Sunny 1 to 10 mph NNW 1%
Saturday Night 55°F Partly Cloudy 5 to 10 mph NNW 1%
Sunday 61°F Mostly Sunny 5 to 13 mph NNW 0%
Sunday Night 55°F Partly Cloudy 6 to 13 mph NNW 0%
Monday 60°F Mostly Sunny 6 to 12 mph NNW 1%

Forecast source: National Weather Service (api.weather.gov) for Fairhaven (40.788, -124.201). Updated through the day.

Growing snapshot for Fairhaven

Last spring frost
Feb 22
First fall frost
Dec 7
Growing season
293 days
Hardiness zone
9b

More local growing data for Fairhaven: nearby ZIP 95564 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Eureka Wfo Woodley Island, Ca (2.7 mi from Fairhaven). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.