Barnum Weather Forecast

    • 60
    • 81

    Rain Showers Likely

    • 58
    • 77

    Chance Rain Showers

    • 60
    • 81

    Chance Rain Showers

    • 61
    • 84

    Chance Rain Showers

    • 57
    • 82

    Slight Chance Thunderstorms

    • 55
    • 78

    Mostly Sunny

Today 18 Sep Webster

Mostly cloudy with a slight chance of Showers in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the lower 80s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 18 Sep Webster

Showers likely with a chance of Thunderstorms. Lows around 60. South Winds 5 to 10 Mph. Chance of rain 70 percent.

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Barnum Temperature Statistics

September Temperature

Fort Dodge (9.3 miles)

  • Lowest 7 September, 2025

    37.9 °F

  • Average September

    66.6 °F

  • Highest 13 September, 2025

    97 °F

Climate (2020–Present)

Fort Dodge (9.3 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    48.9 °F

  • Average High 2020–2025

    59.3 °F
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