Grant Trace State Forest Weather Forecast

    • 62
    • 83

    Mostly Sunny

    • 66
    • 88

    Partly Sunny

    • 70
    • 92

    Partly Sunny

    • 69
    • 93

    Partly Sunny

    • 66
    • 90

    Partly Sunny

    • 66
    • 89

    Partly Sunny

Today 10 Sep Harrison

Partly cloudy. Highs in the mid 80s. Southeast Winds around 5 Mph.

Tonight 10 Sep Harrison

Mostly clear. Lows in the lower 60s. Northeast Winds around 5 Mph.

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Grant Trace State Forest Temperature Statistics

September Temperature

Lamoni, Lamoni Municipal Airport (23 miles)

  • Lowest 7 September, 2025

    43 °F

  • Average September

    61.3 °F

  • Highest 2 September, 2025

    78.1 °F

Climate (2020–Present)

Lamoni, Lamoni Municipal Airport (23 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    63.1 °F
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