Grass Valley Reservoir Weather Forecast

    • 27
    • 46

    Sunny

    • 30
    • 48

    Partly Sunny

    • 34
    • 41

    Rain/Snow Likely

    • 35
    • 42

    Rain

    • 34
    • 43

    Chance Rain/Snow

    • 28
    • 44

    Chance Rain/Snow

    • 26
    • 41

    Snow Likely

Today 29 Jan Northern Washoe County

Sunny. Highs 47 to 52. Light Winds.

Tonight 29 Jan Northern Washoe County

Clear. Lows 17 to 27. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Valley Reservoir Temperature Statistics

January Temperature

Alturas (60.9 miles)

  • Lowest 21 January, 2025

    7.8 °F

  • Average January

    33.1 °F

  • Highest 23 January, 2025

    56.6 °F

Climate (2020–Present)

Alturas (60.9 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    64.3 °F
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