Concord, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Concord, a city in Contra Costa County, California.
Tonight
48°F
Partly Cloudy
Partly cloudy, with a low around 48. East northeast wind around 3 mph.
7-day forecast for Concord
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Partly Cloudy | 3 mph ENE | 0% |
| Wednesday | 67°F | Patchy Fog then Sunny | 2 to 6 mph NNW | 2% |
| Wednesday Night | 48°F | Mostly Cloudy then Patchy Fog | 3 mph SSW | 2% |
| Thursday | 72°F | Patchy Fog then Mostly Sunny | 3 mph WNW | 0% |
| Thursday Night | 48°F | Mostly Clear | 2 mph WSW | 0% |
| Friday | 72°F | Sunny | 0 to 3 mph N | 0% |
| Friday Night | 48°F | Mostly Clear | 1 mph NNW | 0% |
| Saturday | 73°F | Sunny | 0 to 5 mph NNE | 0% |
| Saturday Night | 49°F | Mostly Clear | 1 mph NW | 0% |
| Sunday | 72°F | Mostly Sunny | 0 to 3 mph NW | 0% |
| Sunday Night | 50°F | Partly Cloudy | 1 mph NW | 0% |
| Monday | 71°F | Mostly Sunny | 3 mph WSW | 1% |
| Monday Night | 50°F | Partly Cloudy | 1 mph SW | 1% |
| Tuesday | 71°F | Sunny | 0 to 3 mph W | 5% |
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
Nearby towns & communities
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Bethel Island
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Clyde
Contra Costa Centre
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East Richmond Heights
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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 Nov 4, 2026.