Grant Lake Weather Forecast

    • 34
    • 53

    Partly Sunny

    • 35
    • 56

    Mostly Cloudy

    • 32
    • 55

    Partly Sunny

    • 28
    • 49

    Chance Rain/Snow

    • 25
    • 41

    Snow Showers Likely

    • 25
    • 47

    Mostly Sunny

    • 23
    • 47

    Partly Sunny

Today 26 Feb Mono

Partly cloudy in the morning then clearing. Highs 52 to 62. Light Winds.

Tonight 26 Feb Mono

Partly cloudy. Lows 25 to 35. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Lake Temperature Statistics

February Temperature

Mammoth Yosemite Airport (20.5 miles)

  • Lowest 21 February, 2026

    -5.8 °F

  • Average February

    25.7 °F

  • Highest 24 February, 2026

    57.2 °F

Climate (2021–Present)

Mammoth Yosemite Airport (20.5 miles)

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  • Average Low 2021–2026

    29.5 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    60.6 °F
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