Montevideo Weather Forecast

    • 64
    • 85

    Becoming Sunny

    • 62
    • 91

    Chance Thunderstorms

    • 61
    • 81

    Chance Thunderstorms

    • 59
    • 73

    Chance Thunderstorms

    • 56
    • 71

    Chance Rain Showers

    • 56
    • 70

    Mostly Cloudy

Today 15 Sep Chippewa

Sunny. Highs in the mid 80s. South Winds 10 to 15 Mph.

Tonight 15 Sep Chippewa

Partly cloudy. A 20 percent chance of Showers after midnight. Near steady temperature in the upper 60s. South Winds 5 to 10 Mph.

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Montevideo Temperature Statistics

September Temperature

Montevideo-Chippewa County Airport (1.9 miles)

  • Lowest 4 September, 2025

    41 °F

  • Average September

    60.6 °F

  • Highest 1 September, 2025

    80.6 °F

Climate (2020–Present)

Montevideo-Chippewa County Airport (1.9 miles)

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  • Average Low 2020–2025

    36.6 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    56 °F
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