Grinnell Lake Weather Forecast

    • 29
    • 46

    Mostly Sunny

    • 30
    • 49

    Mostly Sunny

    • 31
    • 49

    Mostly Sunny

    • 32
    • 50

    Mostly Cloudy

    • 32
    • 49

    Partly Sunny

    • 28
    • 43

    Chance Snow

Today 7 Nov Upper San Joaquin River

Sunny. Highs 45 to 59. West Winds up to 10 Mph.

Tonight 7 Nov Upper San Joaquin River

Mostly clear. Near steady temperature in the upper 30s. Northeast Winds up to 10 Mph.

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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

    45.2 °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

    60.8 °F
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