Williamstown Weather Forecast

    • 58
    • 68

    Rain Likely

    • 56
    • 63

    Rain

    • 52
    • 61

    Rain

    • 50
    • 65

    Chance Rain Showers

    • 43
    • 68

    Partly Sunny

    • 40
    • 60

    Mostly Sunny

Today 11 Oct Gloucester

Mostly cloudy with a 50 percent chance of Showers. Highs in the upper 60s. East Winds 5 to 10 Mph.

Tonight 11 Oct Gloucester

Cloudy. A chance of rain in the Evening, then rain likely after midnight. Not as cool with Lows in the upper 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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Williamstown Temperature Statistics

October Temperature

Philadelphia, Philadelphia International Airport (17.4 miles)

  • Lowest 9 October, 2025

    48.9 °F

  • Average October

    66.3 °F

  • Highest 5 October, 2025

    82.9 °F

Climate (2020–Present)

Philadelphia, Philadelphia International Airport (17.4 miles)

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  • Average Low 2020–2025

    50.4 °F

  • Average 2020–2025

    58.5 °F

  • Average High 2020–2025

    67 °F
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