North Star Weather Forecast

    • 67
    • 89

    Chance Thunderstorms

    • 62
    • 83

    Partly Sunny

    • 61
    • 82

    Mostly Sunny

    • 64
    • 84

    Mostly Cloudy

    • 62
    • 82

    Rain Showers

    • 62
    • 82

    Mostly Sunny

Today 18 Jun New Castle

Mostly cloudy in the Morning, then mostly sunny with a chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds in the afternoon. Breezy, hot with Highs in the lower 90s. Southwest Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 40 percent.

Tonight 18 Jun New Castle

Partly cloudy. Lows in the upper 60s. West Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 5 to 10 Mph after midnight.

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North Star Temperature Statistics

June Temperature

Wilmington, New Castle County Airport (8.1 miles)

  • Lowest 2 June, 2026

    47.6 °F

  • Average June

    74.4 °F

  • Highest 12 June, 2026

    97.6 °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

    57.3 °F

  • Average High 2021–2026

    66.6 °F
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