Weather WorldContra Costa County, CA 7-Day Night Weather Forecast
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Contra Costa County, CA Weather Forecast
Contra Costa County, CA Weather Forecast Date: 501 PM PST Mon Mar 02 2026
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Tonight... Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s. West winds 5 to 10 mph.
Tuesday... Partly cloudy in the morning then becoming sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph.
Tuesday Night... Mostly clear in the evening then becoming mostly cloudy. Lows in the mid 40s. Southwest winds around 10 mph.
Wednesday... Mostly cloudy in the morning then becoming sunny. Highs in the lower 60s. West winds 10 to 15 mph increasing to around 20 mph in the afternoon. Gusts up to 35 mph.
Wednesday Night... Clear. Lows in the lower 40s. West winds 15 to 20 mph...Becoming around 10 mph after midnight.
Thursday... Sunny. Highs in the lower 60s.
Thursday Night... Clear. Lows in the mid 40s.
Friday... Sunny. Highs in the mid 60s.
Friday Night... Clear. Lows in the upper 40s. Highs around 70.
Saturday... Clear. Lows in the upper 40s. Highs around 70.
Sunday... Sunny. Highs in the lower 70s.
Sunday Night... Partly cloudy. Lows in the lower 50s. Highs around 70.
POP = Probability of Precipitation
Contra Costa County Radar Loop
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