Delaware Canal - Summit Harbor Weather Forecast

    • 35
    • 49

    Increasing Clouds

    • 40
    • 54

    Chance Rain

    • 36
    • 52

    Rain

    • 36
    • 47

    Rain Likely

    • 31
    • 48

    Chance Rain/Snow

    • 26
    • 41

    Chance Rain/Snow

Today 17 Feb New Castle

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. Highs in the upper 40s. Southwest Winds around 5 Mph.

Tonight 17 Feb New Castle

Mostly cloudy. Lows in the mid 30s. South Winds around 5 Mph.

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Delaware Canal - Summit Harbor Temperature Statistics

February Temperature

Wilmington, New Castle County Airport (10.6 miles)

  • Lowest 9 February, 2026

    6.7 °F

  • Average February

    26.2 °F

  • Highest 14 February, 2026

    46.9 °F

Climate (2021–Present)

Wilmington, New Castle County Airport (10.6 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.1 °F

  • Average High 2021–2026

    66.4 °F
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