Alton Weather Forecast

    • 26
    • 51

    Mostly Cloudy

    • 24
    • 40

    Partly Sunny

    • 36
    • 44

    Mostly Cloudy

    • 45
    • 55

    Mostly Cloudy

    • 50
    • 59

    Slight Chance Rain

    • 41
    • 62

    Chance Rain

    • 36
    • 48

    Chance Rain

Today 27 Mar Washington

Mostly cloudy. Near steady temperature in the upper 40s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 27 Mar Washington

Mostly cloudy this Evening, then becoming partly cloudy. Much cooler with Lows in the mid 20s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alton Temperature Statistics

March Temperature

Westerly, Westerly State Airport (6.8 miles)

  • Lowest 3 March, 2026

    8.1 °F

  • Average March

    36.3 °F

  • Highest 21 March, 2026

    55.9 °F

Climate (2021–Present)

Westerly, Westerly State Airport (6.8 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    60.3 °F
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