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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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Benicia
Bethel Island
Blackhawk
Brentwood
Byron
Castle Hill
Clayton
Clyde
Contra Costa Centre
Crockett
Danville
Diablo
Discovery Bay
East Richmond Heights
El Cerrito
El Sobrante
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Knightsen
Lafayette
Martinez
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Mountain View
Norris Canyon
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.