Mesa Lake Weather Forecast

    • 36
    • 54

    Mostly Sunny

    • 35
    • 53

    Partly Sunny

    • 33
    • 51

    Mostly Sunny

    • 32
    • 51

    Mostly Sunny

    • 29
    • 49

    Mostly Sunny

    • 31
    • 49

    Sunny

Today 23 Sep Upper San Joaquin River

Warmer, sunny. Highs 57 to 73. Southeast Winds up to 10 Mph shifting to the southwest in the afternoon.

Tonight 23 Sep Upper San Joaquin River

Mostly clear. Lows 40 to 52. East Winds up to 5 Mph. Gusts up to 25 Mph in the evening.

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Mesa Lake Temperature Statistics

September Temperature

Bishop, Bishop Airport (21.1 miles)

  • Lowest 2 September, 2026

    39.7 °F

  • Average September

    69 °F

  • Highest 11 September, 2026

    98.7 °F

Climate (2021–2026)

Bishop, Bishop Airport (21.1 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    59.7 °F

  • Average High 2021–2026

    76.6 °F
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