Fairfield, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairfield, a city in Solano County, California.
This Afternoon
84°F
Sunny
Sunny, with a high near 84. West southwest wind around 10 mph.
7-day forecast for Fairfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Sunny | 10 mph WSW | 0% |
| Tonight | 58°F | Clear | 5 to 10 mph WSW | 0% |
| Saturday | 88°F | Sunny | 5 to 10 mph SW | 0% |
| Saturday Night | 58°F | Partly Cloudy | 7 to 10 mph WSW | 0% |
| Sunday | 80°F | Partly Sunny | 7 to 10 mph WSW | 0% |
| Sunday Night | 58°F | Mostly Cloudy | 10 mph WSW | 0% |
| Monday | 82°F | Sunny | 8 to 13 mph WSW | 0% |
| Monday Night | 57°F | Mostly Clear | 6 to 13 mph WSW | 0% |
| Tuesday | 85°F | Sunny | 6 to 10 mph WSW | 0% |
| Tuesday Night | 58°F | Mostly Clear | 1 to 10 mph WSW | 0% |
| Wednesday | 95°F | Sunny | 0 to 5 mph WSW | 0% |
| Wednesday Night | 63°F | Mostly Clear | 1 to 5 mph WSW | 0% |
| Thursday | 94°F | Sunny | 1 to 9 mph WSW | 0% |
| Thursday Night | 62°F | Mostly Clear | 5 to 9 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Fairfield (38.262, -122.032). Updated through the day.
Growing snapshot for Fairfield
Last spring frost
Jan 15
First fall frost
Dec 14
Growing season
336 days
Hardiness zone
9b
More local growing data for Fairfield: nearby ZIP 94533 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Fairfield, Ca (3.4 mi from Fairfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.