Calumet Weather Forecast

    • 72
    • 85

    Thunderstorms Likely

    • 74
    • 86

    Rain Showers Likely

    • 75
    • 85

    Rain Showers Likely

    • 75
    • 86

    Thunderstorms Likely

    • 74
    • 85

    Rain Showers

    • 74
    • 84

    Rain Showers

Today 20 May Upper St. Mary

Partly sunny with a chance of Showers and Thunderstorms this Morning, then mostly cloudy with Showers and Thunderstorms likely this afternoon. Highs in the mid 80s. Temperature falling into the lower 80s this afternoon. South Winds around 5 Mph. Chance of rain 70 percent.

Tonight 20 May Upper St. Mary

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the lower 70s. Southeast Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Calumet Temperature Statistics

May Temperature

Patterson Memorial (1.9 miles)

  • Lowest 4 May, 2026

    54 °F

  • Average May

    72.8 °F

  • Highest 18 May, 2026

    87.1 °F

Climate (2021–Present)

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

    77.3 °F
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