Mesa Lake Weather Forecast

    • 40
    • 57

    Increasing Clouds

    • 36
    • 50

    Chance Rain

    • 34
    • 47

    Rain Showers Likely

    • 35
    • 49

    Chance Rain

    • 37
    • 51

    Partly Sunny

    • 38
    • 53

    Slight Chance Thunderstorms

Today 17 Sep Upper San Joaquin River

Sunny. Highs 60 to 76. East Winds up to 10 Mph shifting to the west in the afternoon.

Tonight 17 Sep Upper San Joaquin River

Mostly cloudy. Lows 43 to 55. Northeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mesa Lake Temperature Statistics

September Temperature

Bishop, Bishop Airport (21.1 miles)

  • Lowest 8 September, 2025

    45 °F

  • Average September

    73 °F

  • Highest 1 September, 2025

    97 °F

Climate (2020–Present)

Bishop, Bishop Airport (21.1 miles)

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  • Average Low 2020–2025

    41.4 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    76.6 °F
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