West Middlesex Weather Forecast

    • 55
    • 74

    Rain Showers

    • 52
    • 77

    Mostly Sunny

    • 58
    • 80

    Slight Chance Thunderstorms

    • 60
    • 82

    Chance Thunderstorms

    • 59
    • 81

    Chance Thunderstorms

    • 60
    • 82

    Slight Chance Thunderstorms

Today 22 Jun Mercer

A slight chance of Thunderstorms. Showers, mainly in the morning. Highs in the lower 70s. East Winds 5 to 10 Mph, becoming west in the afternoon. Chance of rain near 100 percent.

Tonight 22 Jun Mercer

Mostly cloudy. Lows in the mid 50s. North Winds 5 to 10 Mph.

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West Middlesex Temperature Statistics

June Temperature

New Castle, New Castle Municipal Airport (9.9 miles)

  • Lowest 1 June, 2026

    43 °F

  • Average June

    68.4 °F

  • Highest 8 June, 2026

    88 °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

    51.3 °F

  • Average High 2021–2026

    61.1 °F
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