Alton Weather Forecast

    • 51
    • 67

    Rain Showers

    • 46
    • 66

    Rain Showers

    • 46
    • 68

    Mostly Sunny

    • 54
    • 71

    Mostly Cloudy

    • 57
    • 73

    Mostly Cloudy

    • 59
    • 76

    Chance Rain Showers

Today 14 Feb Jefferson

Partly sunny. Highs in the upper 60s. Southeast Winds 5 to 10 Mph.

Tonight 14 Feb Jefferson

Mostly cloudy. A chance of Showers in the Evening, then Showers with a slight chance of Thunderstorms after midnight. Not as cool with Lows in the lower 50s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Alton Temperature Statistics

February Temperature

Birmingham, Birmingham International Airport (6.2 miles)

  • Lowest 1 February, 2026

    16.6 °F

  • Average February

    46.3 °F

  • Highest 9 February, 2026

    75 °F

Climate (2021–Present)

Birmingham, Birmingham International Airport (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    55.3 °F

  • Average 2021–2026

    65.2 °F

  • Average High 2021–2026

    75.7 °F
Get WillyWeather+ to remove ads