Harman US

Fairfield, CA Weather & Growing Conditions

Overnight
63°F
Clear
Clear, with a low around 63. West southwest wind around 9 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 63°F Clear 9 mph WSW 0%
Tuesday 88°F Sunny 8 to 13 mph WSW 0%
Tuesday Night 59°F Clear 13 mph WSW 0%
Wednesday 87°F Sunny 13 mph WSW 0%
Wednesday Night 58°F Clear 9 to 13 mph WSW 0%
Thursday 88°F Sunny 9 to 13 mph WSW 0%
Thursday Night 59°F Clear 8 to 13 mph WSW 0%
Friday 90°F Sunny 7 to 13 mph WSW 0%
Friday Night 61°F Clear 8 to 13 mph WSW 0%
Saturday 91°F Sunny 6 to 13 mph WSW 0%
Saturday Night 62°F Mostly Clear 8 to 13 mph WSW 0%
Sunday 88°F Sunny 8 to 14 mph WSW 0%
Sunday Night 59°F Mostly Clear 14 mph SW 0%
Monday 81°F Sunny 10 to 15 mph SW 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 (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.