Sparta Weather Forecast

    • 71
    • 93

    Chance Thunderstorms

    • 64
    • 94

    Slight Chance Thunderstorms

    • 62
    • 87

    Mostly Sunny

    • 64
    • 89

    Mostly Sunny

    • 65
    • 86

    Chance Thunderstorms

    • 61
    • 81

    Chance Thunderstorms

    • 61
    • 86

    Mostly Sunny

Today 26 Jul Monroe

Partly sunny. Hot with Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 105.

Tonight 26 Jul Monroe

Partly cloudy with a slight chance of Showers and Thunderstorms this Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 105 early this evening.

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Sparta Temperature Statistics

July Temperature

Sparta, Sparta / Fort McCoy Airport (3.7 miles)

  • Lowest 23 July, 2026

    44.6 °F

  • Average July

    73.1 °F

  • Highest 15 July, 2026

    94.8 °F

Climate (2021–2026)

Sparta, Sparta / Fort McCoy Airport (3.7 miles)

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  • Average Low 2021–2026

    35 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    58.3 °F
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