Helm Weather Forecast

    • 66
    • 95

    Mostly Cloudy

    • 60
    • 82

    Chance Rain Showers

    • 54
    • 74

    Mostly Cloudy

    • 53
    • 74

    Partly Sunny

    • 54
    • 76

    Mostly Cloudy

    • 52
    • 76

    Partly Sunny

Today 20 Sep Marion

Partly sunny. Highs in the mid 90s. West Winds around 5 Mph.

Tonight 20 Sep Marion

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Lows in the upper 60s. North Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helm Temperature Statistics

September Temperature

Mount Vernon Airport (14.3 miles)

  • Lowest 8 September, 2026

    55 °F

  • Average September

    79.8 °F

  • Highest 2 September, 2026

    100.9 °F

Climate (2021–2026)

Mount Vernon Airport (14.3 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    69.3 °F
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