Alton Weather Forecast

    • 31
    • 46

    Rain

    • 17
    • 42

    Snow

    • 6
    • 25

    Mostly Sunny

    • 3
    • 20

    Partly Sunny

    • 5
    • 19

    Partly Sunny

    • 17
    • 28

    Partly Sunny

Today 18 Jan Washington

Cloudy. A chance of rain Showers in the afternoon. Patchy fog in the afternoon. Highs in the mid 40s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 18 Jan Washington

Mostly cloudy. Rain Showers likely in the evening. Patchy fog in the evening. Lows in the lower 30s. Southwest Winds 10 to 15 Mph, becoming west around 5 Mph after midnight. Chance of rain 60 percent.

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Alton Temperature Statistics

January Temperature

Westerly, Westerly State Airport (6.8 miles)

  • Lowest 7 January, 2025

    15.9 °F
  • Average January

    30.5 °F
  • Highest 1 January, 2025

    51.7 °F

Climate (2020–Present)

Westerly, Westerly State Airport (6.8 miles)

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  • Average Low 2020–2025

    44.8 °F
  • Average 2020–2025

    52.8 °F
  • Average High 2020–2025

    60.6 °F
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