Mahaska Weather Forecast

    • 62
    • 74

    Decreasing Clouds

    • 63
    • 75

    Rain Showers

    • 59
    • 72

    Rain Showers

    • 50
    • 64

    Chance Rain Showers

    • 51
    • 63

    Mostly Sunny

    • 54
    • 65

    Partly Sunny

Today 28 Sep Washington

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. Highs in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 28 Sep Washington

Partly cloudy. Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

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Mahaska Temperature Statistics

September Temperature

Hebron, Hebron Municipal Airport (16.2 miles)

  • Lowest 23 September, 2026

    55.6 °F

  • Average September

    73.6 °F

  • Highest 8 September, 2026

    101.1 °F

Climate (2021–2026)

Hebron, Hebron Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    66.9 °F
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