West Middlesex Weather Forecast

    • 57
    • 71

    Partly Sunny

    • 55
    • 79

    Partly Sunny

    • 61
    • 82

    Partly Sunny

    • 62
    • 83

    Chance Thunderstorms

    • 58
    • 81

    Slight Chance Thunderstorms

    • 61
    • 81

    Partly Sunny

Today 24 Aug Mercer

Partly sunny. Unseasonably cool. Near steady temperature in the upper 60s. West Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 24 Aug Mercer

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the mid 50s. Southwest Winds 5 to 10 Mph.

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West Middlesex Temperature Statistics

August Temperature

New Castle, New Castle Municipal Airport (9.9 miles)

  • Lowest 4 August, 2026

    52 °F

  • Average August

    71.4 °F

  • Highest 5 August, 2026

    87.1 °F

Climate (2021–2026)

New Castle, New Castle Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    61.1 °F
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