West Middlesex Weather Forecast

    • 66
    • 90

    Mostly Sunny

    • 72
    • 94

    Mostly Sunny

    • 68
    • 94

    Mostly Sunny

    • 65
    • 91

    Partly Sunny

    • 67
    • 90

    Chance Rain Showers

    • 67
    • 88

    Rain Showers Likely

Today 13 Jul Mercer

Mostly sunny. Highs in the upper 80s. South Winds around 5 Mph, becoming southwest this afternoon.

Tonight 13 Jul Mercer

Mainly clear. Humid with Lows in the mid 60s. North Winds around 5 Mph, becoming south after midnight.

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West Middlesex Temperature Statistics

July Temperature

New Castle, New Castle Municipal Airport (9.9 miles)

  • Lowest 8 July, 2026

    64.9 °F

  • Average July

    76.5 °F

  • Highest 1 July, 2026

    95 °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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