Calumet Weather Forecast

    • 76
    • 91

    Chance Thunderstorms

    • 75
    • 92

    Mostly Sunny

    • 76
    • 93

    Slight Chance Thunderstorms

    • 74
    • 92

    Chance Thunderstorms

    • 72
    • 91

    Slight Chance Thunderstorms

    • 73
    • 90

    Slight Chance Thunderstorms

Today 13 Sep Upper St. Mary

Mostly sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the lower 90s. Temperature falling into the mid 80s in the afternoon. Light and variable Winds, becoming southwest around 5 Mph in the afternoon. Chance of rain 50 percent. Heat index Values up to 108.

Tonight 13 Sep Upper St. Mary

Mostly clear. Humid with Lows in the mid 70s. South Winds around 5 Mph in the Evening, becoming light and variable.

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Calumet Temperature Statistics

September Temperature

Patterson Memorial (1.9 miles)

  • Lowest 10 September, 2026

    75.2 °F
  • Average September

    81 °F
  • Highest 9 September, 2026

    90 °F

Climate (2021–2026)

Patterson Memorial (1.9 miles)

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  • Average Low 2021–2026

    60.6 °F
  • Average 2021–2026

    68.4 °F
  • Average High 2021–2026

    77.4 °F
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