McConnells Mill State Park Weather Forecast

    • 66
    • 85

    Rain Showers Likely

    • 62
    • 81

    Rain Showers Likely

    • 55
    • 77

    Partly Sunny

    • 62
    • 77

    Rain Showers

    • 60
    • 76

    Rain Showers Likely

    • 60
    • 76

    Chance Rain Showers

Today 16 Sep Lawrence

Partly cloudy with a slight chance of Showers in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Unseasonably warm. Humid with Highs in the mid 80s. South Winds around 5 Mph, becoming west in the afternoon. Chance of rain 50 percent.

Tonight 16 Sep Lawrence

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Warm with Lows in the upper 60s. North Winds around 5 Mph, becoming south after midnight. Chance of rain 50 percent.

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McConnells Mill State Park Temperature Statistics

September Temperature

New Castle, New Castle Municipal Airport (12.4 miles)

  • Lowest 6 September, 2026

    54 °F

  • Average September

    71.3 °F

  • Highest 2 September, 2026

    91.9 °F

Climate (2021–2026)

New Castle, New Castle Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    61.1 °F
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