South New Castle Weather Forecast

    • 57
    • 71

    Increasing Clouds

    • 56
    • 68

    Mostly Cloudy

    • 56
    • 73

    Partly Sunny

    • 59
    • 76

    Mostly Cloudy

    • 61
    • 75

    Chance Rain Showers

    • 54
    • 69

    Chance Rain Showers

Today 27 Sep Lawrence

Mostly sunny. Highs around 70. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 27 Sep Lawrence

Mostly cloudy. Lows in the upper 50s. North Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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South New Castle Temperature Statistics

September Temperature

New Castle, New Castle Municipal Airport (4.3 miles)

  • Lowest 25 September, 2026

    39 °F

  • Average September

    67.3 °F

  • Highest 2 September, 2026

    91.9 °F

Climate (2021–2026)

New Castle, New Castle Municipal Airport (4.3 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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