West Middlesex Weather Forecast

    • 70
    • 90

    Slight Chance Thunderstorms

    • 74
    • 96

    Mostly Sunny

    • 74
    • 99

    Hot

    • 75
    • 100

    Slight Chance Thunderstorms

    • 73
    • 96

    Chance Thunderstorms

    • 69
    • 92

    Chance Thunderstorms

Today 29 Jun Mercer

Patchy fog this morning. Partly cloudy. Highs in the upper 80s. Southeast Winds around 5 Mph.

Tonight 29 Jun Mercer

Mainly clear. Humid with Lows in the upper 60s. South Winds around 5 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

    67.4 °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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