Glasgow Weather Forecast

    • 64
    • 75

    Chance Rain Showers

    • 63
    • 77

    Slight Chance Rain Showers

    • 64
    • 81

    Partly Sunny

    • 63
    • 81

    Partly Sunny

    • 65
    • 82

    Mostly Sunny

    • 67
    • 83

    Partly Sunny

Today 18 Aug New Castle

Mostly cloudy. A slight chance of Showers in the afternoon. Not as warm and humid. Near steady temperature in the lower 70s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 18 Aug New Castle

Mostly cloudy with a 30 percent chance of Showers. Lows in the mid 60s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Glasgow Temperature Statistics

August Temperature

Wilmington, New Castle County Airport (8.7 miles)

  • Lowest 9 August, 2025

    58.6 °F

  • Average August

    75.1 °F

  • Highest 14 August, 2025

    90.6 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (8.7 miles)

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    66.5 °F
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