Grinnell Lake Weather Forecast

    • 39
    • 57

    Partly Sunny

    • 42
    • 60

    Mostly Sunny

    • 44
    • 62

    Mostly Sunny

    • 43
    • 64

    Mostly Sunny

    • 40
    • 61

    Mostly Sunny

    • 39
    • 60

    Mostly Sunny

Today 9 Jun Upper San Joaquin River

Mostly sunny. Slight chance of rain late in the morning. Slight chance of Thunderstorms in the afternoon. Highs 56 to 72. Southwest Winds up to 15 Mph. Gusts up to 30 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 9 Jun Upper San Joaquin River

Partly cloudy in the evening then becoming clear. Lows 42 to 52. Northwest Winds 5 to 10 Mph shifting to the northeast after midnight. Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grinnell Lake Temperature Statistics

June Temperature

Mammoth Yosemite Airport (10.6 miles)

  • Lowest 1 June, 2024

    39.2 °F

  • Average June

    65 °F

  • Highest 5 June, 2024

    85.3 °F

Climate (2019–Present)

Mammoth Yosemite Airport (10.6 miles)

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  • Average Low 2019–2024

    29.8 °F

  • Average 2019–2024

    46.4 °F

  • Average High 2019–2024

    61.1 °F
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