Fieldbrook, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fieldbrook, a community in Humboldt County, California.
Overnight
57°F
Mostly Clear
Mostly clear, with a low around 57. West northwest wind around 2 mph.
7-day forecast for Fieldbrook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Clear | 2 mph WNW | 0% |
| Tuesday | 79°F | Patchy Smoke | 1 to 6 mph WSW | 0% |
| Tuesday Night | 60°F | Patchy Smoke | 0 to 5 mph SSW | 0% |
| Wednesday | 75°F | Patchy Smoke then Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Thursday | 73°F | Sunny | 0 to 3 mph WNW | 0% |
| Thursday Night | 55°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Friday | 74°F | Sunny | 0 to 5 mph NW | 0% |
| Friday Night | 56°F | Mostly Clear | 0 to 3 mph NNW | 0% |
| Saturday | 73°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 53°F | Mostly Clear then Patchy Fog | 0 to 5 mph NW | 0% |
| Sunday | 70°F | Patchy Fog then Sunny | 0 to 6 mph NW | 0% |
| Sunday Night | 52°F | Patchy Fog | 0 to 5 mph N | 0% |
| Monday | 69°F | Sunny | 0 to 6 mph NNW | 0% |
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
9b
More local growing data for Fieldbrook: nearby ZIP 95519 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
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
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 Aug 4, 2026.