Grass Valley Weather Forecast

    • 52
    • 79

    Mostly Sunny

    • 51
    • 66

    Partly Sunny

    • 50
    • 64

    Partly Sunny

    • 50
    • 67

    Partly Sunny

    • 50
    • 70

    Mostly Sunny

    • 51
    • 74

    Partly Sunny

Today 10 May San Francisco Bay Shoreline

Sunny. Highs in the 70s to lower 80s. West Winds 10 to 20 Mph.

Tonight 10 May San Francisco Bay Shoreline

Mostly clear. Lows in the lower 50s. West Winds 10 to 20 Mph.

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Grass Valley Temperature Statistics

May Temperature

Oakland, Metro Oakland International Airport (5 miles)

  • Lowest 4 May, 2025

    46.7 °F

  • Average May

    59.3 °F

  • Highest 5 May, 2025

    85.6 °F

Climate (2020–Present)

Oakland, Metro Oakland International Airport (5 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    58.9 °F

  • Average High 2020–2025

    67.5 °F
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