Alton Weather Forecast

    • 14
    • 43

    Mostly Sunny

    • 19
    • 27

    Snow Likely

    • 15
    • 32

    Chance Snow

    • 28
    • 39

    Rain

    • 22
    • 47

    Rain

    • 21
    • 32

    Partly Sunny

    • 22
    • 35

    Partly Sunny

Today 25 Dec Washington

Mostly sunny. Highs in the lower 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 25 Dec Washington

Mostly clear. Cooler with Lows around 15. North Winds 15 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Real-Time

Alton Temperature Statistics

December Temperature

Westerly, Westerly State Airport (6.8 miles)

  • Lowest 5 December, 2025

    12.9 °F

  • Average December

    33.4 °F

  • Highest 19 December, 2025

    55.9 °F

Climate (2020–Present)

Westerly, Westerly State Airport (6.8 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    60.4 °F
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