Williamstown Weather Forecast

    • 45
    • 59

    Rain

    • 37
    • 62

    Partly Sunny

    • 35
    • 58

    Partly Sunny

    • 34
    • 56

    Partly Sunny

    • 39
    • 58

    Partly Sunny

    • 42
    • 63

    Chance Rain Showers

Today 29 Apr Dauphin

Cloudy. A chance of rain this Morning, then rain this afternoon. Highs in the upper 50s. Southeast Winds 10 to 15 Mph. Chance of rain 90 percent.

Tonight 29 Apr Dauphin

Rain, mainly in the evening. Lows in the mid 40s. Southeast Winds 10 to 15 Mph, becoming northwest 5 to 10 Mph after midnight. Chance of rain near 100 percent.

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Williamstown Temperature Statistics

April Temperature

Muir Army Air Field / Indiantown (9.9 miles)

  • Lowest 8 April, 2026

    28.9 °F

  • Average April

    57.2 °F

  • Highest 16 April, 2026

    90.9 °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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