Alton Weather Forecast

    • 58
    • 81

    Chance Rain Showers

    • 48
    • 75

    Mostly Sunny

    • 39
    • 72

    Mostly Sunny

    • 51
    • 69

    Mostly Sunny

    • 45
    • 76

    Mostly Sunny

    • 43
    • 64

    Mostly Sunny

Today 16 Oct Osborne

Breezy. Partly cloudy in the morning then becoming mostly sunny. Highs in the lower 80s. South Winds 15 to 25 Mph. Gusts up to 35 Mph in the afternoon.

Tonight 16 Oct Osborne

Partly cloudy. Chance of Showers in the Evening, then chance of Showers and slight chance of Thunderstorms after midnight. Lows in the upper 50s. South Winds 10 to 20 Mph with Gusts to around 30 Mph. Chance of precipitation 30 percent.

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Alton Temperature Statistics

October Temperature

Russell, Russell Municipal Airport (41.6 miles)

  • Lowest 7 October, 2025

    48.9 °F

  • Average October

    67.5 °F

  • Highest 3 October, 2025

    90 °F

Climate (2020–Present)

Russell, Russell Municipal Airport (41.6 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    56.2 °F

  • Average High 2020–2025

    69.3 °F
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