West Middlesex Weather Forecast

    • 67
    • 90

    Mostly Sunny

    • 67
    • 89

    Rain Showers Likely

    • 70
    • 89

    Chance Thunderstorms

    • 67
    • 91

    Rain Showers Likely

    • 61
    • 87

    Rain Showers Likely

    • 64
    • 88

    Chance Rain Showers

Today 8 Jun Mercer

Mostly sunny. Highs in the upper 80s. Southeast Winds 5 to 10 Mph.

Tonight 8 Jun Mercer

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 60s. Southeast 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

    64.6 °F

  • Highest 5 June, 2026

    84 °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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