Barnum Weather Forecast

    • 59
    • 73

    Rain Showers Likely

    • 50
    • 76

    Partly Sunny

    • 56
    • 79

    Partly Sunny

    • 48
    • 76

    Chance Rain Showers

    • 48
    • 75

    Partly Sunny

    • 55
    • 79

    Slight Chance Thunderstorms

Today 15 Aug Carlton/South St. Louis

Cloudy with a chance of Showers. A slight chance of Thunderstorms late this Morning, then a chance of Thunderstorms this afternoon. Cooler. Near steady temperature in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 15 Aug Carlton/South St. Louis

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Sprinkles after midnight. Patchy fog. Humid with Lows in the upper 50s. Southeast Winds around 5 Mph, becoming northwest with Gusts up to 20 Mph after midnight. Chance of rain 50 percent.

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Barnum Temperature Statistics

August Temperature

Moose Lake Carlton County Airport (8.1 miles)

  • Lowest 5 August, 2026

    44.6 °F

  • Average August

    68.4 °F

  • Highest 3 August, 2026

    87.8 °F

Climate (2021–2026)

Moose Lake Carlton County Airport (8.1 miles)

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  • Average Low 2021–2026

    32.9 °F

  • Average 2021–2026

    43.3 °F

  • Average High 2021–2026

    53.7 °F
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