Barnum Weather Forecast

    • 47
    • 73

    Rain Showers Likely

    • 42
    • 66

    Mostly Sunny

    • 40
    • 69

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

    • 57
    • 77

    Chance Rain Showers

    • 57
    • 78

    Partly Sunny

Today 4 Sep Webster

Mostly sunny. Areas of smoke in the afternoon. Highs in the lower 70s. West Winds around 5 Mph, becoming southwest 10 to 15 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 4 Sep Webster

Partly cloudy in the Evening, then clearing. A slight chance of Thunderstorms in the evening. A chance of Showers. Areas of smoke. Lows in the upper 40s. Southwest Winds around 15 Mph, becoming northwest after midnight. Gusts up to 30 Mph. Chance of rain 50 percent.

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Barnum Temperature Statistics

September Temperature

Fort Dodge (9.3 miles)

  • Lowest 1 September, 2025

    59 °F

  • Average September

    67.3 °F

  • Highest 1 September, 2025

    77 °F

Climate (2020–Present)

Fort Dodge (9.3 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    59.2 °F
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