West Middlesex Weather Forecast

    • 48
    • 59

    Rain Showers

    • 49
    • 70

    Rain Showers

    • 41
    • 65

    Chance Rain Showers

    • 34
    • 58

    Mostly Sunny

    • 44
    • 60

    Rain Showers Likely

    • 44
    • 63

    Rain Showers Likely

    • 46
    • 66

    Mostly Cloudy

Today 8 May Mercer

Partly sunny with a 50 percent chance of Showers. Near steady temperature in the upper 50s. West Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 8 May Mercer

Showers. Lows in the upper 40s. South Winds 5 to 10 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Middlesex Temperature Statistics

May Temperature

New Castle, New Castle Municipal Airport (9.9 miles)

  • Lowest 1 May, 2026

    33.1 °F

  • Average May

    50.5 °F

  • Highest 4 May, 2026

    73 °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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