New Castle Weather Forecast

    • 66
    • 90

    Slight Chance Thunderstorms

    • 66
    • 90

    Mostly Sunny

    • 67
    • 91

    Partly Sunny

    • 68
    • 93

    Partly Sunny

    • 67
    • 92

    Slight Chance Thunderstorms

    • 66
    • 90

    Slight Chance Thunderstorms

Today 15 Sep Jefferson

Sunny. Highs around 90. Southeast Winds around 5 Mph.

Tonight 15 Sep Jefferson

Partly cloudy. Near steady temperature in the upper 60s. East Winds around 5 Mph.

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New Castle Temperature Statistics

September Temperature

Birmingham, Birmingham International Airport (5.6 miles)

  • Lowest 8 September, 2025

    57.9 °F

  • Average September

    76.2 °F

  • Highest 5 September, 2025

    93 °F

Climate (2020–Present)

Birmingham, Birmingham International Airport (5.6 miles)

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  • Average Low 2020–2025

    55.4 °F

  • Average 2020–2025

    65.2 °F

  • Average High 2020–2025

    75.5 °F
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