Mahaska Weather Forecast

    • 60
    • 78

    Rain Showers Likely

    • 57
    • 72

    Rain Showers Likely

    • 59
    • 78

    Chance Thunderstorms

    • 61
    • 80

    Slight Chance Thunderstorms

    • 61
    • 82

    Slight Chance Thunderstorms

    • 56
    • 84

    Mostly Sunny

Today 17 Sep Washington

Mostly cloudy with a chance of Thunderstorms. Showers likely late this Morning, then a chance of Showers this afternoon. Not as warm with Highs in the upper 70s. Southeast Winds 5 to 10 Mph. Chance of rain 60 percent.

Tonight 17 Sep Washington

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 60s. South Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mahaska Temperature Statistics

September Temperature

Hebron, Hebron Municipal Airport (16.2 miles)

  • Lowest 6 September, 2025

    45 °F

  • Average September

    68.3 °F

  • Highest 12 September, 2025

    95.2 °F

Climate (2020–Present)

Hebron, Hebron Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    66.3 °F
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