Harpster Weather Forecast

    • 57
    • 87

    Mostly Sunny

    • 56
    • 88

    Mostly Sunny

    • 60
    • 86

    Partly Sunny

    • 63
    • 87

    Chance Rain Showers

    • 62
    • 82

    Chance Rain Showers

    • 58
    • 82

    Chance Rain Showers

Today 18 Sep Wyandot

Sunny. Highs in the upper 80s. Light and variable Winds, becoming north around 5 Mph this afternoon.

Tonight 18 Sep Wyandot

Mostly clear. Lows in the upper 50s. East Winds around 5 Mph, becoming south after midnight.

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Harpster Temperature Statistics

September Temperature

Marion, Marion Municipal Airport (12.4 miles)

  • Lowest 8 September, 2025

    39 °F

  • Average September

    63.1 °F

  • Highest 15 September, 2025

    87.1 °F

Climate (2020–Present)

Marion, Marion Municipal Airport (12.4 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    61.9 °F
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