West Middlesex Weather Forecast

    • 52
    • 66

    Rain Showers Likely

    • 47
    • 73

    Partly Sunny

    • 53
    • 78

    Partly Sunny

    • 54
    • 79

    Rain Showers Likely

    • 47
    • 67

    Rain Showers Likely

    • 45
    • 68

    Slight Chance Rain Showers

Today 21 Apr Mercer

Partly cloudy. Highs in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Apr Mercer

Mostly cloudy with a slight chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Mild. Lows in the lower 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southwest after midnight. Chance of rain 70 percent.

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West Middlesex Temperature Statistics

April Temperature

New Castle, New Castle Municipal Airport (9.9 miles)

  • Lowest 8 April, 2026

    19.9 °F

  • Average April

    55.8 °F

  • Highest 4 April, 2026

    82.9 °F

Climate (2021–Present)

New Castle, New Castle Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    61.1 °F
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