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City of Grass Valley, CAGrass Valley, CA 7-Day Night Weather Forecast
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Grass Valley, CA Weather Forecast
Grass Valley, CA Weather Forecast Date: 201 PM PDT Thu Sep 17 2026
The area/counties/county of: N. Motherlode 1000, including the city of Auburn, Grass Valley, Colfax, Nevada City.or toggle through each period.
Tonight... Clear. Lows 48 to 54. Light winds.
Friday... Sunny, warmer. Highs 76 to 84. Light winds becoming west up to 10 mph in the afternoon.
Friday Night... Clear. Lows 55 to 61. Light winds.
Saturday... Sunny. Highs 82 to 88. Northeast winds up to 10 mph in the morning becoming light.
Saturday Night... Mostly clear. Lows 56 to 64. Light winds.
Sunday... Partly cloudy. Highs 80 to 86.
Sunday Night... Mostly cloudy. Lows 56 to 62.
Monday... Mostly sunny. Highs 80 to 86.
Monday Night... Clear. Lows 55 to 62. Highs 80 to 89.
Tuesday... Clear. Lows 55 to 62. Highs 80 to 89.
Wednesday... Clear. Lows 55 to 62. Highs 80 to 89.
Wednesday Night... Mostly clear. Lows 57 to 63. Highs 83 to 89.
POP = Probability of Precipitation
Grass Valley Radar Loop
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