Fieldbrook, CA Weather & Growing Conditions

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

This Afternoon

66°F

Sunny

Sunny, with a high near 66. West northwest wind around 7 mph.

7-day forecast for Fieldbrook

When	Temp	Forecast	Wind	Precip
This Afternoon	66°F	Sunny	7 mph WNW	0%
Tonight	49°F	Patchy Fog	1 to 5 mph NE	1%
Saturday	64°F	Patchy Fog then Mostly Sunny	0 to 6 mph NW	1%
Saturday Night	50°F	Patchy Fog	0 to 5 mph NE	2%
Sunday	63°F	Patchy Fog then Partly Sunny	1 to 5 mph NNW	0%
Sunday Night	50°F	Areas Of Fog	0 to 5 mph NW	1%
Monday	65°F	Areas Of Fog then Mostly Sunny	0 to 3 mph NNW	0%
Monday Night	51°F	Areas Of Fog	0 to 3 mph N	0%
Tuesday	66°F	Areas Of Fog then Mostly Sunny	0 to 5 mph NNW	0%
Tuesday Night	49°F	Areas Of Fog	0 to 3 mph N	0%
Wednesday	69°F	Areas Of Fog then Mostly Sunny	0 to 3 mph NNW	0%
Wednesday Night	51°F	Partly Cloudy	2 mph NNE	0%
Thursday	70°F	Mostly Sunny	0 to 3 mph W	1%
Thursday Night	51°F	Mostly Cloudy	2 mph N	4%

Forecast source: National Weather Service (api.weather.gov) for Fieldbrook (40.973, -124.029). Updated through the day.

Growing snapshot for Fieldbrook

Last spring frost

Mar 8

First fall frost

Nov 30

Growing season

262 days

Hardiness zone

More local growing data for Fieldbrook: nearby ZIP 95519 weather · frost dates · planting calendar · California frost dates

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Alderpoint Arcata Bayview Benbow Big Lagoon Blue Lake Cutten Eureka Fairhaven Ferndale Fields Landing Fortuna Garberville Hoopa Humboldt Hill Hydesville Indianola Kep'el Loleta Manila McKinleyville Miranda Myers Flat Myrtletown Orick Phillipsville Pine Hills Redcrest Redway Rio Dell

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Climate data from the nearest NOAA station, Arcata Eureka Ap, Ca (3.1 mi from Fieldbrook). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.