Williamstown Weather Forecast

    • 48
    • 75

    Mostly Sunny

    • 62
    • 79

    Partly Sunny

    • 52
    • 81

    Mostly Cloudy

    • 58
    • 75

    Chance Rain Showers

    • 58
    • 83

    Chance Rain Showers

    • 49
    • 73

    Mostly Sunny

Today 28 Apr Gloucester

Sunny. Highs in the mid 70s. North Winds around 5 Mph, becoming southwest around 5 Mph in the afternoon.

Tonight 28 Apr Gloucester

Mostly clear. Lows in the upper 40s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamstown Temperature Statistics

April Temperature

Philadelphia, Philadelphia International Airport (17.4 miles)

  • Lowest 9 April, 2025

    33.7 °F

  • Average April

    55.7 °F

  • Highest 19 April, 2025

    80.7 °F

Climate (2020–Present)

Philadelphia, Philadelphia International Airport (17.4 miles)

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  • Average Low 2020–2025

    50.2 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    66.8 °F
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