Upper Break Weather Forecast

    • 61
    • 80

    Mostly Sunny

    • 64
    • 82

    Partly Sunny

    • 73
    • 85

    Mostly Sunny

    • 67
    • 87

    Chance Rain Showers

    • 64
    • 80

    Mostly Sunny

    • 67
    • 81

    Partly Sunny

Today 7 Sep New Castle

Sunny. Highs around 80. North Winds around 5 Mph.

Tonight 7 Sep New Castle

Mostly clear. Lows in the upper 50s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Break Temperature Statistics

September Temperature

Wilmington, New Castle County Airport (13.7 miles)

  • Lowest 5 September, 2026

    66 °F

  • Average September

    79 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (13.7 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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