West Middlesex Weather Forecast

    • 36
    • 62

    Rain Showers

    • 30
    • 44

    Chance Rain Showers

    • 25
    • 42

    Mostly Cloudy

    • 27
    • 42

    Chance Snow

    • 30
    • 48

    Slight Chance Rain/Snow

    • 40
    • 54

    Rain Likely

    • 42
    • 59

    Rain Likely

Today 15 Nov Mercer

Cloudy. A chance of Showers Early, then Showers likely with isolated Thunderstorms. Some Thunderstorms may produce gusty Winds. Highs in the upper 50s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph. Chance of rain 60 percent.

Tonight 15 Nov Mercer

Considerable cloudiness. Showers and Thunderstorms likely this evening. Some Thunderstorms may produce gusty Winds this evening. Lows in the mid 30s. West Winds 10 to 15 Mph, becoming northwest 15 to 20 Mph after midnight. Chance of rain 70 percent.

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West Middlesex Temperature Statistics

November Temperature

New Castle, New Castle Municipal Airport (9.9 miles)

  • Lowest 11 November, 2025

    24.1 °F

  • Average November

    41.6 °F

  • Highest 5 November, 2025

    61 °F

Climate (2020–Present)

New Castle, New Castle Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    41.9 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    61.1 °F
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