Hilltop Weather Forecast

    • 61
    • 81

    Mostly Sunny

    • 62
    • 84

    Increasing Clouds

    • 63
    • 83

    Partly Sunny

    • 66
    • 85

    Partly Sunny

    • 70
    • 87

    Chance Rain Showers

    • 69
    • 88

    Rain Showers Likely

    • 66
    • 85

    Slight Chance Thunderstorms

Today 23 Jul New Castle

Sunny. Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 23 Jul New Castle

Clear. Lows around 60. Southeast Winds around 5 Mph, becoming east around 5 Mph after midnight.

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Hilltop Temperature Statistics

July Temperature

Wilmington, New Castle County Airport (5.6 miles)

  • Lowest 20 July, 2026

    58.6 °F

  • Average July

    80.6 °F

  • Highest 2 July, 2026

    103.6 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (5.6 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    66.7 °F
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