Williamstown Weather Forecast

    • 43
    • 52

    Rain Showers

    • 24
    • 65

    Rain Showers

    • 18
    • 33

    Partly Sunny

    • 27
    • 36

    Mostly Cloudy

    • 32
    • 47

    Mostly Cloudy

    • 36
    • 53

    Chance Rain Showers

Today 15 Mar Dauphin

Mostly cloudy. Highs in the lower 50s. Southeast Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 15 Mar Dauphin

A chance of Showers in the Evening, then Showers after midnight. Mild. Lows in the mid 40s. Temperature rising into the lower 50s after midnight. Southeast Winds 15 to 20 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

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Williamstown Temperature Statistics

March Temperature

Muir Army Air Field / Indiantown (9.9 miles)

  • Lowest 2 March, 2026

    20.7 °F

  • Average March

    45.4 °F

  • Highest 10 March, 2026

    81.1 °F

Climate (2021–Present)

Muir Army Air Field / Indiantown (9.9 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    64 °F
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