Calumet Weather Forecast

    • 78
    • 96

    Chance Thunderstorms

    • 79
    • 97

    Chance Thunderstorms

    • 78
    • 94

    Chance Thunderstorms

    • 78
    • 93

    Slight Chance Thunderstorms

    • 76
    • 94

    Chance Thunderstorms

    • 74
    • 92

    Thunderstorms Likely

    • 74
    • 92

    Chance Thunderstorms

Today 22 Aug Upper St. Mary

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 90s. Northwest Winds around 5 Mph, increasing to west 10 to 15 Mph this afternoon. Chance of rain 20 percent. Heat index Values up to 109.

Tonight 22 Aug Upper St. Mary

Mostly clear. Lows in the upper 70s. West Winds around 5 Mph. Heat index Values up to 108 early this evening.

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Calumet Temperature Statistics

August Temperature

Patterson Memorial (1.9 miles)

  • Lowest 3 August, 2026

    73.4 °F

  • Average August

    83.5 °F

  • Highest 15 August, 2026

    93.9 °F

Climate (2021–2026)

Patterson Memorial (1.9 miles)

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  • Average Low 2021–2026

    60.6 °F

  • Average 2021–2026

    68.5 °F

  • Average High 2021–2026

    77.4 °F
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