Winterthur Weather Forecast

    • 59
    • 80

    Decreasing Clouds

    • 64
    • 84

    Partly Sunny

    • 65
    • 87

    Slight Chance Rain Showers

    • 64
    • 87

    Mostly Cloudy

    • 60
    • 82

    Partly Sunny

    • 58
    • 83

    Chance Rain Showers

Today 13 Apr New Castle

Mostly cloudy this Morning, then partly sunny with a slight chance of Showers this afternoon. Much warmer with Highs around 80. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 13 Apr New Castle

Partly cloudy. Not as cool with Lows in the upper 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming west around 5 Mph after midnight.

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Winterthur Temperature Statistics

April Temperature

Wilmington, New Castle County Airport (8.7 miles)

  • Lowest 8 April, 2026

    30.7 °F

  • Average April

    55.4 °F

  • Highest 1 April, 2026

    85.6 °F

Climate (2021–Present)

Wilmington, New Castle County Airport (8.7 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.2 °F

  • Average High 2021–2026

    66.5 °F
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