Big Margaret Lake Weather Forecast

    • 44
    • 59

    Sunny

    • 46
    • 62

    Mostly Sunny

    • 45
    • 61

    Mostly Sunny

    • 44
    • 60

    Partly Sunny

    • 37
    • 53

    Mostly Sunny

    • 38
    • 53

    Mostly Sunny

Today 9 May Upper San Joaquin River

Warmer, sunny. Highs 54 to 74. East Winds up to 10 Mph shifting to the west with Gusts to around 25 Mph in the afternoon.

Tonight 9 May Upper San Joaquin River

Mostly clear. Lows 38 to 52. Northeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Margaret Lake Temperature Statistics

May Temperature

Mammoth Yosemite Airport (15.5 miles)

  • Lowest 1 May, 2026

    30.2 °F

  • Average May

    47.1 °F

  • Highest 6 May, 2026

    66.2 °F

Climate (2021–Present)

Mammoth Yosemite Airport (15.5 miles)

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  • Average Low 2021–2026

    29.6 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    60.7 °F
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