Allendale, CA Weather & Growing Conditions
Overnight
51°F
Mostly Clear
Mostly clear, with a low around 51. North northwest wind around 13 mph, with gusts as high as 30 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Clear | 13 mph NNW | 0% |
| Wednesday | 68°F | Sunny | 0 to 10 mph NNW | 2% |
| Wednesday Night | 52°F | Mostly Cloudy | 2 mph NW | 2% |
| Thursday | 72°F | Mostly Sunny | 1 to 7 mph NNW | 0% |
| Thursday Night | 52°F | Clear | 1 mph N | 0% |
| Friday | 72°F | Sunny | 0 to 3 mph NNE | 0% |
| Friday Night | 52°F | Mostly Clear | 0 mph | 0% |
| Saturday | 71°F | Sunny | 0 to 3 mph NNE | 0% |
| Saturday Night | 53°F | Mostly Clear | 0 mph | 0% |
| Sunday | 71°F | Sunny | 0 to 3 mph NNE | 0% |
| Sunday Night | 54°F | Partly Cloudy | 0 mph | 0% |
| Monday | 69°F | Mostly Sunny | 2 mph NNW | 1% |
| Monday Night | 53°F | Partly Cloudy | 0 mph | 2% |
| Tuesday | 69°F | Sunny | 0 to 3 mph N | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Allendale, CA
Last spring frost
Jan 31
First fall frost
Dec 11
Growing season
318 days
Hardiness zone
9b
Explore more for Allendale, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Vacaville, Ca (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.