Grinnell Lake Weather Forecast

    • 16
    • 26

    Snow

    • 15
    • 26

    Chance Snow

    • 13
    • 27

    Partly Sunny

    • 14
    • 24

    Snow Likely

    • 15
    • 22

    Slight Chance Snow

    • 16
    • 29

    Mostly Sunny

    • 20
    • 34

    Partly Sunny

Today 17 Nov Upper San Joaquin River

Snow. Snow accumulation up to 17 Inches. Highs 25 to 37. South Winds 5 to 15 Mph. Gusts up to 35 Mph decreasing to 25 Mph in the afternoon. Chance of snow near 100 percent.

Tonight 17 Nov Upper San Joaquin River

Snow in the Evening, then snow likely after midnight. Chance of snow late in the night. Snow accumulation up to 3 Inches. Total snow accumulation up to 13 Inches. Near steady temperature in the lower 20s. South Winds up to 5 Mph shifting to the east after midnight. Chance of snow 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grinnell Lake Temperature Statistics

November Temperature

Mammoth Yosemite Airport (10.6 miles)

  • Lowest 1 November, 2025

    23 °F

  • Average November

    45.1 °F

  • Highest 1 November, 2025

    69.8 °F

Climate (2020–Present)

Mammoth Yosemite Airport (10.6 miles)

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  • Average Low 2020–2025

    29.7 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    60.9 °F
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