Lake Joallan Weather Forecast

    • 55
    • 81

    Becoming Sunny

    • 57
    • 86

    Mostly Sunny

    • 59
    • 91

    Mostly Sunny

    • 59
    • 90

    Partly Sunny

    • 58
    • 88

    Mostly Sunny

    • 59
    • 91

    Mostly Sunny

Today 17 Sep Merced - Madera - Mendota

Sunny. Highs in the lower 80s. Northwest Winds up to 10 Mph.

Tonight 17 Sep Merced - Madera - Mendota

Clear. Lows in the mid 50s. Northwest Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Joallan Temperature Statistics

September Temperature

Madera Municipal Airport (20.5 miles)

  • Lowest 14 September, 2026

    52 °F

  • Average September

    74.6 °F

  • Highest 10 September, 2026

    104 °F

Climate (2021–2026)

Madera Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    50.1 °F

  • Average 2021–2026

    64 °F

  • Average High 2021–2026

    78.4 °F
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