Williamstown Weather Forecast

    • 29
    • 53

    Becoming Sunny

    • 43
    • 56

    Chance Rain Showers

    • 46
    • 67

    Chance Rain Showers

    • 48
    • 72

    Mostly Sunny

    • 48
    • 71

    Chance Rain Showers

    • 48
    • 63

    Rain Showers Likely

    • 44
    • 63

    Chance Rain Showers

Today 20 Apr Gloucester

Partly sunny. A chance of Showers, mainly this morning. Highs in the lower 50s. Northwest Winds 10 to 15 Mph. Chance of rain 30 percent.

Tonight 20 Apr Gloucester

Mostly clear. Cold with Lows around 30. North Winds 10 to 15 Mph.

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  • Temperature Real-Time

Williamstown Temperature Statistics

April Temperature

Philadelphia, Philadelphia International Airport (17.4 miles)

  • Lowest 8 April, 2026

    31.6 °F

  • Average April

    61.6 °F

  • Highest 15 April, 2026

    91.7 °F

Climate (2021–Present)

Philadelphia, Philadelphia International Airport (17.4 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    67 °F
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