Harrison Weather Forecast

    • 68
    • 74

    Thunderstorms Likely

    • 61
    • 77

    Slight Chance Thunderstorms

    • 60
    • 73

    Mostly Sunny

    • 62
    • 76

    Mostly Sunny

    • 61
    • 78

    Partly Sunny

    • 55
    • 73

    Mostly Sunny

Today 18 Aug Calumet

Humid. Showers likely and a chance of Thunderstorms. Nearly steady temperature in the lower 70s. Southeast wind 10 to 15 Mph. Chance of rain 70 percent.

Tonight 18 Aug Calumet

Muggy. Cloudy. Showers likely and a chance of Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the upper 60s. Southeast wind 5 to 10 Mph shifting to the southwest after midnight. Chance of rain 70 percent.

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Harrison Temperature Statistics

August Temperature

Appleton-Outagamie (13.7 miles)

  • Lowest 1 August, 2025

    57.2 °F

  • Average August

    72.8 °F

  • Highest 8 August, 2025

    91.4 °F

Climate (2020–Present)

Appleton-Outagamie (13.7 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    46.5 °F

  • Average High 2020–2025

    56.3 °F
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