West Middlesex Weather Forecast

    • 25
    • 35

    Increasing Clouds

    • 27
    • 43

    Mostly Cloudy

    • 27
    • 46

    Partly Sunny

    • 29
    • 47

    Partly Sunny

    • 36
    • 51

    Rain Likely

    • 36
    • 57

    Chance Rain

Today 13 Feb Mercer

Partly sunny this Morning, then becoming partly cloudy. Patchy freezing fog this morning. Highs in the lower 30s. Southwest Winds 5 to 10 Mph.

Tonight 13 Feb Mercer

Mostly cloudy. Lows in the mid 20s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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West Middlesex Temperature Statistics

February Temperature

New Castle, New Castle Municipal Airport (9.9 miles)

  • Lowest 8 February, 2026

    -13 °F

  • Average February

    18.1 °F

  • Highest 10 February, 2026

    54 °F

Climate (2021–Present)

New Castle, New Castle Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    61 °F
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