La Salle Weather Forecast

    • 47
    • 74

    Partly Sunny

    • 46
    • 68

    Partly Sunny

    • 43
    • 66

    Mostly Sunny

    • 46
    • 67

    Mostly Sunny

    • 50
    • 71

    Partly Sunny

    • 55
    • 76

    Partly Sunny

Today 5 Sep Monroe

Partly cloudy. Highs in the lower 70s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 5 Sep Monroe

Partly cloudy. Lows in the mid 40s. West Winds up to 10 Mph. Gusts up to 25 Mph in the evening.

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La Salle Temperature Statistics

September Temperature

Monroe, Custer Airport (5 miles)

  • Lowest 1 September, 2025

    50 °F

  • Average September

    64.3 °F

  • Highest 2 September, 2025

    78.8 °F

Climate (2020–Present)

Monroe, Custer Airport (5 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    60.2 °F
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