West Middlesex Weather Forecast

    • 59
    • 85

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

    • 67
    • 90

    Mostly Sunny

    • 69
    • 92

    Isolated Thunderstorms

    • 66
    • 89

    Thunderstorms

    • 63
    • 86

    Rain Showers

    • 64
    • 86

    Rain Showers

Today 3 Jul Mercer

Sunny. Near steady temperature in the lower 80s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 3 Jul Mercer

Clear. Lows in the upper 50s. North Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northeast after midnight.

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West Middlesex Temperature Statistics

July Temperature

New Castle, New Castle Municipal Airport (9.9 miles)

  • Lowest 1 July, 2025

    66.9 °F

  • Average July

    73.1 °F

  • Highest 1 July, 2025

    80.1 °F

Climate (2020–Present)

New Castle, New Castle Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    61.1 °F
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