Grinnell Lake Weather Forecast

    • 21
    • 38

    Sunny

    • 20
    • 42

    Sunny

    • 20
    • 41

    Sunny

    • 21
    • 40

    Partly Sunny

    • 20
    • 36

    Partly Sunny

    • 22
    • 37

    Partly Sunny

Today 2 Feb Upper San Joaquin River

Sunny. Highs 39 to 55. Northeast Winds up to 10 Mph.

Tonight 2 Feb Upper San Joaquin River

Clear. Lows 24 to 36. Northeast Winds 5 to 10 Mph.

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Grinnell Lake Temperature Statistics

February Temperature

Mammoth Yosemite Airport (10.6 miles)

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  • Average February

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Climate (2021–Present)

Mammoth Yosemite Airport (10.6 miles)

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  • Average Low 2021–2026

    29.5 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    60.7 °F
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