Fairhaven, CA Weather & Growing Conditions
Tonight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. North wind 3 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Cloudy | 3 to 10 mph N | 4% |
| Saturday | 59°F | Mostly Cloudy | 2 to 10 mph NNW | 4% |
| Saturday Night | 54°F | Cloudy then Patchy Fog | 1 to 9 mph N | 3% |
| Sunday | 59°F | Patchy Fog then Cloudy | 1 to 9 mph NNW | 2% |
| Sunday Night | 54°F | Mostly Cloudy | 3 to 9 mph N | 2% |
| Monday | 60°F | Partly Sunny | 3 to 8 mph N | 0% |
| Monday Night | 54°F | Mostly Cloudy | 3 to 7 mph N | 0% |
| Tuesday | 60°F | Partly Sunny | 5 to 10 mph N | 0% |
| Tuesday Night | 54°F | Partly Cloudy | 3 to 10 mph N | 0% |
| Wednesday | 61°F | Mostly Sunny | 5 to 8 mph N | 0% |
| Wednesday Night | 54°F | Partly Cloudy | 2 to 7 mph N | 0% |
| Thursday | 61°F | Mostly Sunny | 2 to 6 mph NNW | 1% |
| Thursday Night | 54°F | Mostly Cloudy | 5 mph N | 4% |
| Friday | 61°F | Partly Sunny | 3 to 9 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fairhaven, CA
Last spring frost
Feb 22
First fall frost
Dec 7
Growing season
293 days
Hardiness zone
9b
Explore more for Fairhaven, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Eureka Wfo Woodley Island, Ca (2.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.