West Middlesex Weather Forecast

    • 31
    • 49

    Increasing Clouds

    • 47
    • 59

    Mostly Cloudy

    • 36
    • 69

    Rain

    • 22
    • 44

    Mostly Sunny

    • 27
    • 47

    Mostly Sunny

    • 37
    • 57

    Mostly Cloudy

Today 24 Mar Mercer

Mostly sunny. Highs in the upper 40s. Northwest Winds around 5 Mph, becoming southwest around 5 Mph this afternoon.

Tonight 24 Mar Mercer

Mostly cloudy. Lows around 30. Northwest Winds around 5 Mph, becoming southeast after midnight.

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West Middlesex Temperature Statistics

March Temperature

New Castle, New Castle Municipal Airport (9.9 miles)

  • Lowest 18 March, 2026

    10.9 °F

  • Average March

    45.8 °F

  • Highest 7 March, 2026

    79 °F

Climate (2021–Present)

New Castle, New Castle Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    61.1 °F
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