Grinnell Lake Weather Forecast

    • 25
    • 34

    Snow

    • 21
    • 32

    Snow

    • 16
    • 26

    Snow Likely

    • 13
    • 23

    Snow Showers Likely

    • 11
    • 24

    Chance Snow

    • 16
    • 28

    Chance Snow

Today 14 Nov Upper San Joaquin River

Snow in the morning. Rain Showers and slight chance of Thunderstorms through the day. Snow Showers likely in the afternoon. Precipitation may be heavy at Times in the morning. Snow accumulation up to 14 Inches. Total snow accumulation up to 22 Inches. Snow level above 8000 feet. Highs 33 to 45. South Winds up to 10 Mph with Gusts to around 25 Mph. Chance of precipitation near 100 percent.

Tonight 14 Nov Upper San Joaquin River

Mostly cloudy. Chance of Rain, snow and slight chance of Thunderstorms in the Evening, then chance of rain and snow after midnight. Near steady temperature in the mid 30s. East Winds up to 10 Mph. Gusts up to 25 Mph after midnight. Chance of precipitation 50 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

    45.6 °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

    29.6 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    60.9 °F
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