Concord, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Concord, a city in Contra Costa County, California.
This Afternoon
67°F
Sunny
Sunny. High near 67, with temperatures falling to around 64 in the afternoon. West northwest wind around 6 mph.
7-day forecast for Concord
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Sunny | 6 mph WNW | 1% |
| Tonight | 47°F | Mostly Cloudy then Patchy Fog | 3 mph SSW | 1% |
| Thursday | 72°F | Patchy Fog then Sunny | 5 mph WNW | 0% |
| Thursday Night | 48°F | Mostly Clear | 2 mph SW | 0% |
| Friday | 72°F | Sunny | 0 to 3 mph NNE | 0% |
| Friday Night | 48°F | Clear | 1 mph NNW | 0% |
| Saturday | 72°F | Sunny | 0 to 5 mph NE | 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 | 0 to 5 mph WSW | 0% |
| Monday Night | 49°F | Partly Cloudy then Patchy Fog | 1 mph WSW | 1% |
| Tuesday | 72°F | Areas Of Fog then Mostly Sunny | 0 to 3 mph WNW | 1% |
| Tuesday Night | 50°F | Partly Cloudy | 1 mph WSW | 7% |
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
Acalanes Ridge
Alamo
Alhambra Valley
Antioch
Bay Point
Bayview
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
Hercules
Knightsen
Lafayette
Martinez
Montalvin Manor
Moraga
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 Nov 4, 2026.