Alton Weather Forecast

    • 63
    • 83

    Chance Rain Showers

    • 66
    • 74

    Chance Rain Showers

    • 60
    • 75

    Rain Showers

    • 61
    • 82

    Mostly Sunny

    • 62
    • 82

    Partly Sunny

    • 65
    • 83

    Partly Sunny

    • 66
    • 83

    Slight Chance Rain Showers

Today 25 Jun Washington

Sunny. Near steady temperature in the upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 25 Jun Washington

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alton Temperature Statistics

June Temperature

Westerly, Westerly State Airport (6.8 miles)

  • Lowest 2 June, 2026

    39.9 °F

  • Average June

    66.8 °F

  • Highest 13 June, 2026

    84.9 °F

Climate (2021–2026)

Westerly, Westerly State Airport (6.8 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    60.3 °F
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