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Grimes, CA Weather Forecast
Grimes, CA Weather Forecast Date: 201 PM PDT Thu Oct 29 2026
The area/counties/county of: Eastern Colusa County, including the city of Colusa.or toggle through each period.
Tonight... Mostly cloudy in the evening then becoming partly cloudy. Lows around 46. Light winds.
Friday... Mostly sunny. Highs around 68. Light winds.
Friday Night... Mostly cloudy. Patchy fog after midnight. Lows around 47. Light winds.
Saturday... Patchy fog in the morning. Mostly cloudy. Highs around 64. Light winds.
Saturday Night... Mostly cloudy with a chance of rain. Patchy fog after midnight. Lows around 47. Light winds.
Sunday... Mostly sunny. Highs around 66.
Sunday Night... Clear. Lows around 45.
Monday... Mostly sunny. Highs around 68.
Monday Night... Mostly cloudy. Lows around 45.
Tuesday... Mostly clear. Highs around 68. Lows around 46.
Wednesday... Mostly clear. Highs around 68. Lows around 46.
Wednesday Night... Mostly cloudy. Lows around 46.
POP = Probability of Precipitation
Grimes Radar Loop
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