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Concord, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Concord, a city in Contra Costa County, California.

Overnight
60°F
Clear
Clear, with a low around 60. West southwest wind around 7 mph.

7-day forecast for Concord

WhenTempForecastWindPrecip
Overnight 60°F Clear 7 mph WSW 0%
Tuesday 101°F Sunny 7 to 10 mph WSW 0%
Tuesday Night 59°F Clear 9 mph SW 0%
Wednesday 96°F Sunny 9 mph WSW 0%
Wednesday Night 59°F Clear 9 mph WSW 0%
Thursday 94°F Sunny 9 mph WSW 0%
Thursday Night 60°F Clear 9 mph WSW 0%
Friday 100°F Sunny 6 to 9 mph WSW 0%
Friday Night 62°F Mostly Clear 9 mph WSW 0%
Saturday 99°F Sunny 6 to 10 mph WSW 0%
Saturday Night 64°F Mostly Clear 7 to 10 mph SW 0%
Sunday 93°F Sunny 7 to 12 mph SW 0%
Sunday Night 60°F Mostly Clear 12 mph SW 0%
Monday 87°F Sunny 13 mph WSW 0%

Forecast source: National Weather Service (api.weather.gov) for Concord (37.972, -122.002). Updated through the day.

Growing snapshot for Concord

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

More local growing data for Concord: nearby ZIP 94519 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Concord Buchanan Fld, Ca (2.3 mi from Concord). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.