Merritt Forest State Preserve Weather Forecast

    • 62
    • 77

    Rain Showers

    • 62
    • 74

    Rain Showers

    • 52
    • 68

    Rain Showers Likely

    • 45
    • 66

    Mostly Sunny

    • 49
    • 65

    Partly Sunny

    • 44
    • 65

    Mostly Sunny

    • 46
    • 62

    Partly Sunny

Today 29 Sep Clayton

Partly cloudy. Lows in the mid 40s. Highs in the lower 60s.

Tonight 29 Sep Clayton

Showers likely with a slight chance of Thunderstorms. Warmer with Lows in the lower 60s. South Winds 10 to 15 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merritt Forest State Preserve Temperature Statistics

September Temperature

Prairie Du Chien Municipal Airport (20.5 miles)

  • Lowest 23 September, 2026

    45.9 °F

  • Average September

    66.4 °F

  • Highest 4 September, 2026

    90.7 °F

Climate (2021–2026)

Prairie Du Chien Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    59.5 °F
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