Allendale, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Allendale, a community in Solano County, California.
This Afternoon
89°F
Sunny
Sunny, with a high near 89. Northwest wind around 3 mph.
7-day forecast for Allendale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 89°F | Sunny | 3 mph NW | 0% |
| Tonight | 59°F | Clear | 2 mph W | 0% |
| Saturday | 93°F | Sunny | 0 to 3 mph N | 0% |
| Saturday Night | 61°F | Partly Cloudy | 0 to 3 mph WSW | 0% |
| Sunday | 86°F | Partly Sunny | 0 to 6 mph SSW | 0% |
| Sunday Night | 59°F | Mostly Cloudy | 0 to 6 mph SSW | 0% |
| Monday | 89°F | Sunny | 0 to 8 mph SW | 0% |
| Monday Night | 59°F | Mostly Clear | 0 to 8 mph SW | 0% |
| Tuesday | 92°F | Sunny | 0 to 5 mph SSW | 0% |
| Tuesday Night | 61°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Wednesday | 98°F | Sunny | 2 mph NNE | 0% |
| Wednesday Night | 65°F | Mostly Clear | 0 mph | 0% |
| Thursday | 98°F | Sunny | 0 to 6 mph W | 0% |
| Thursday Night | 64°F | Mostly Clear | 0 to 6 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Allendale (38.443, -121.983). Updated through the day.
Growing snapshot for Allendale
Last spring frost
Jan 31
First fall frost
Dec 11
Growing season
318 days
Hardiness zone
9b
More local growing data for Allendale: nearby ZIP 95688 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Vacaville, Ca (4.2 mi from Allendale). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.