Harman US

Fairfield, CA Weather & Growing Conditions

Tonight
59°F
Clear
Clear, with a low around 59. Southwest wind 8 to 12 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 59°F Clear 8 to 12 mph SW 0%
Saturday 89°F Sunny 6 to 12 mph WSW 0%
Saturday Night 59°F Partly Cloudy 12 mph WSW 0%
Sunday 81°F Partly Sunny 12 mph WSW 0%
Sunday Night 58°F Mostly Cloudy 13 mph WSW 0%
Monday 82°F Sunny 14 mph WSW 0%
Monday Night 58°F Mostly Clear 10 to 14 mph WSW 0%
Tuesday 86°F Sunny 8 to 12 mph WSW 0%
Tuesday Night 59°F Mostly Clear 3 to 12 mph WSW 0%
Wednesday 96°F Sunny 5 mph W 0%
Wednesday Night 63°F Mostly Clear 6 mph WSW 0%
Thursday 96°F Sunny 5 to 9 mph WSW 0%
Thursday Night 63°F Mostly Clear 10 mph WSW 0%
Friday 89°F Sunny 13 mph WSW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Fairfield, CA

Last spring frost
Jan 15
First fall frost
Dec 14
Growing season
336 days
Hardiness zone
9b

Explore more for Fairfield, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Fairfield, Ca (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.