Harman US

Concord, CA Weather & Growing Conditions

This Afternoon
62°F
Light Rain
Rain. Mostly cloudy. High near 62, with temperatures falling to around 57 in the afternoon. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 62°F Light Rain 5 mph S 82%
Tonight 49°F Chance Light Rain 2 mph ENE 49%
Wednesday 67°F Patchy Fog then Sunny 1 to 5 mph NNW 1%
Wednesday Night 48°F Partly Cloudy then Patchy Fog 1 to 5 mph WSW 0%
Thursday 71°F Patchy Fog then Sunny 3 mph WNW 0%
Thursday Night 49°F Mostly Clear 1 mph WSW 0%
Friday 72°F Patchy Fog then Sunny 2 mph NNE 0%
Friday Night 49°F Clear 0 mph 0%
Saturday 72°F Sunny 0 to 5 mph NE 0%
Saturday Night 50°F Mostly Clear 1 mph WNW 0%
Sunday 72°F Mostly Sunny 2 mph NW 0%
Sunday Night 51°F Partly Cloudy 1 mph WNW 0%
Monday 70°F Patchy Fog then Partly Sunny 3 mph WSW 1%
Monday Night 51°F Partly Cloudy 1 mph WSW 2%

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 Nov 4, 2026.