Grinnell Lake Weather Forecast

    • 27
    • 46

    Sunny

    • 26
    • 47

    Mostly Sunny

    • 23
    • 43

    Mostly Sunny

    • 20
    • 35

    Blizzard

    • 19
    • 31

    Partly Sunny

    • 18
    • 33

    Chance Snow

    • 13
    • 27

    Snow Likely

Today 10 Nov Upper San Joaquin River

Partly sunny. Chance of snow in the morning. Highs 25 to 39. Chance of snow 30 percent.

Tonight 10 Nov Upper San Joaquin River

Clear. Lows 31 to 43. East Winds up to 10 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grinnell Lake Temperature Statistics

November Temperature

Mammoth Yosemite Airport (10.6 miles)

  • Lowest 5 November, 2026

    17.6 °F

  • Average November

    37.7 °F

  • Highest 8 November, 2026

    62.6 °F

Climate (2021–2026)

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

    60.5 °F
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