Grinnell Lake Weather Forecast

    • 30
    • 47

    Increasing Clouds

    • 29
    • 49

    Partly Sunny

    • 27
    • 46

    Partly Sunny

    • 27
    • 45

    Mostly Sunny

    • 27
    • 47

    Mostly Sunny

    • 24
    • 43

    Partly Sunny

    • 23
    • 38

    Partly Sunny

Today 7 Nov Upper San Joaquin River

Not as cool. Mostly sunny. Highs 48 to 62. Northeast Winds up to 5 Mph shifting to the southwest in the afternoon.

Tonight 7 Nov Upper San Joaquin River

Mostly cloudy in the evening then clearing. Lows 33 to 43. East Winds up to 5 Mph with Gusts to around 20 Mph shifting to the southwest after midnight.

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  • Temperature Real-Time

Grinnell Lake Temperature Statistics

November Temperature

Mammoth Yosemite Airport (10.6 miles)

  • Lowest 5 November, 2026

    17.6 °F

  • Average November

    36.4 °F

  • Highest 4 November, 2026

    55.4 °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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