Delaware River - Helms Cove Weather Forecast

    • 64
    • 82

    Decreasing Clouds

    • 64
    • 81

    Mostly Sunny

    • 73
    • 88

    Sunny

    • 74
    • 94

    Slight Chance Thunderstorms

    • 72
    • 90

    Partly Sunny

    • 71
    • 88

    Partly Sunny

Today 12 Jul New Castle

Mostly sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph, becoming southeast this afternoon.

Tonight 12 Jul New Castle

Mostly cloudy in the Evening, then clearing. Lows in the mid 60s. Southeast Winds 5 to 10 Mph, becoming east after midnight.

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Delaware River - Helms Cove Temperature Statistics

July Temperature

Wilmington, New Castle County Airport (6.8 miles)

  • Lowest 8 July, 2026

    65.6 °F
  • Average July

    82.1 °F
  • Highest 2 July, 2026

    103.6 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (6.8 miles)

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  • Average Low 2021–2026

    48 °F
  • Average 2021–2026

    57.3 °F
  • Average High 2021–2026

    66.7 °F
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