Lake Joallan Weather Forecast

    • 57
    • 92

    Becoming Sunny

    • 58
    • 96

    Sunny

    • 57
    • 97

    Hot

    • 55
    • 94

    Mostly Sunny

    • 55
    • 91

    Mostly Sunny

    • 54
    • 91

    Sunny

Today 20 May Merced - Madera - Mendota

Sunny. Highs in the lower 90s. Northwest Winds up to 5 Mph.

Tonight 20 May Merced - Madera - Mendota

Mostly clear. Lows in the upper 50s. Northwest Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Joallan Temperature Statistics

May Temperature

Madera Municipal Airport (20.5 miles)

  • Lowest 6 May, 2026

    48.7 °F

  • Average May

    69.3 °F

  • Highest 11 May, 2026

    98.7 °F

Climate (2021–Present)

Madera Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    78.7 °F
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