Williamstown Weather Forecast

    • 68
    • 91

    Chance Thunderstorms

    • 64
    • 89

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 60
    • 84

    Partly Sunny

    • 66
    • 88

    Slight Chance Thunderstorms

    • 69
    • 90

    Chance Rain Showers

Today 6 Jun Gloucester

Mostly sunny. Hot with Highs in the lower 90s. Southwest Winds 10 to 15 Mph.

Tonight 6 Jun Gloucester

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the upper 60s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Real-Time

Williamstown Temperature Statistics

June Temperature

Philadelphia, Philadelphia International Airport (17.4 miles)

  • Lowest 2 June, 2026

    53.7 °F

  • Average June

    70.2 °F

  • Highest 3 June, 2026

    84.9 °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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