Harman US

Concord, CA Weather & Growing Conditions

Overnight
60°F
Clear
Clear, with a low around 60. West southwest wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 60°F Clear 6 mph WSW 0%
Tuesday 100°F Sunny 6 to 9 mph WSW 0%
Tuesday Night 59°F Clear 6 to 9 mph SW 0%
Wednesday 94°F Sunny 9 mph WSW 0%
Wednesday Night 59°F Mostly Clear 6 to 9 mph WSW 0%
Thursday 93°F Sunny 6 to 9 mph WSW 0%
Thursday Night 60°F Clear 6 to 9 mph WSW 0%
Friday 99°F Sunny 5 to 9 mph WSW 0%
Friday Night 62°F Mostly Clear 6 to 9 mph WSW 0%
Saturday 98°F Sunny 5 to 9 mph WSW 0%
Saturday Night 63°F Mostly Clear 9 mph SW 0%
Sunday 92°F Sunny 7 to 12 mph SW 0%
Sunday Night 60°F Mostly Clear 12 mph SW 0%
Monday 86°F Sunny 12 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 Aug 4, 2026.