Williamsburg Weather Forecast

    • 12
    • 29

    Sunny

    • 32
    • 41

    Mostly Sunny

    • 25
    • 51

    Partly Sunny

    • 12
    • 39

    Mostly Cloudy

    • 14
    • 22

    Snow Likely

    • 10
    • 25

    Chance Snow

Today 20 Jan Dorchester

Sunny, cold with Highs in the lower 30s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 20 Jan Dorchester

Clear, cold with Lows 13 to 19. North Winds around 5 Mph, becoming east after midnight.

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Williamsburg Temperature Statistics

January Temperature

Cambridge-Dorchester Airport (13.7 miles)

  • Lowest 1 January, 2026

    21.2 °F

  • Average January

    38 °F

  • Highest 7 January, 2026

    60.8 °F

Climate (2021–Present)

Cambridge-Dorchester Airport (13.7 miles)

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  • Average Low 2021–2026

    49.2 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    66.7 °F
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