Heilman Airport Weather Forecast

    • 57
    • 78

    Rain Showers

    • 54
    • 67

    Chance Rain Showers

    • 54
    • 66

    Chance Rain Showers

    • 52
    • 65

    Rain Showers Likely

    • 50
    • 67

    Mostly Cloudy

    • 48
    • 67

    Partly Sunny

Today 20 Sep Hardin

Mostly cloudy. Showers likely with a chance of Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the upper 70s. East Winds around 5 Mph, increasing to northeast 10 to 15 Mph this late morning and afternoon. Chance of rain 70 percent.

Tonight 20 Sep Hardin

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the mid 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heilman Airport Temperature Statistics

September Temperature

Marion, Marion Municipal Airport (19.9 miles)

  • Lowest 14 September, 2026

    50 °F

  • Average September

    72.6 °F

  • Highest 3 September, 2026

    93.9 °F

Climate (2021–2026)

Marion, Marion Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    63.1 °F
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