North Star Weather Forecast

    • 56
    • 72

    Chance Rain

    • 55
    • 64

    Rain

    • 57
    • 64

    Rain Likely

    • 57
    • 69

    Mostly Cloudy

    • 57
    • 73

    Partly Sunny

    • 59
    • 76

    Partly Sunny

Today 25 Sep New Castle

Partly sunny this Morning, then becoming mostly cloudy. Highs in the lower 70s. North Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 25 Sep New Castle

Mostly cloudy. A slight chance of rain in the Evening, then a chance of rain after midnight. Lows in the upper 50s. North Winds 15 to 20 Mph. Gusts up to 45 Mph after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

North Star Temperature Statistics

September Temperature

Wilmington, New Castle County Airport (8.1 miles)

  • Lowest 15 September, 2026

    52.6 °F

  • Average September

    73.3 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (8.1 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    66.7 °F
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