Harman US

Concord, CA Weather & Growing Conditions

Tonight
58°F
Clear
Clear, with a low around 58. Southwest wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 58°F Clear 7 mph SW 0%
Saturday 89°F Sunny 3 to 7 mph SW 0%
Saturday Night 58°F Partly Cloudy 7 mph SW 0%
Sunday 80°F Partly Sunny 8 mph SW 1%
Sunday Night 58°F Mostly Cloudy 8 mph SW 1%
Monday 81°F Mostly Sunny 9 mph WSW 0%
Monday Night 58°F Mostly Clear 5 to 9 mph SW 0%
Tuesday 86°F Sunny 5 to 8 mph WSW 0%
Tuesday Night 58°F Mostly Clear 1 to 8 mph SW 0%
Wednesday 96°F Sunny 0 to 5 mph WNW 0%
Wednesday Night 62°F Mostly Clear 1 to 5 mph WSW 0%
Thursday 96°F Sunny 1 to 7 mph W 0%
Thursday Night 62°F Mostly Clear 3 to 7 mph WSW 0%
Friday 89°F Sunny 5 to 8 mph WSW 0%

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

Growing snapshot for Concord, CA

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

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

Climate data from the nearest NOAA station, Concord Buchanan Fld, Ca (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.