Grinnell Lake Weather Forecast

    • 15
    • 31

    Blizzard

    • 20
    • 32

    Partly Sunny

    • 19
    • 35

    Partly Sunny

    • 11
    • 27

    Snow Likely

    • 8
    • 20

    Chance Snow

    • 12
    • 23

    Snow

    • 5
    • 19

    Chance Snow

Today 13 Nov Upper San Joaquin River

Mostly sunny. Highs 22 to 38.

Tonight 13 Nov Upper San Joaquin River

Breezy, Colder. Becoming partly cloudy late in the night. Snow early in the Evening, then chance of snow in the late evening and overnight. Snow may be heavy at Times early in the evening. Snow accumulation up to 7 Inches. Total snow accumulation up to 12 Inches. Lows 16 to 26. Southwest Winds 15 to 25 Mph becoming west up to 10 Mph after midnight. Gusts up to 55 Mph. Chance of snow near 100 percent.

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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

    38.3 °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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