Edwardsville Weather Forecast

    • 67
    • 83

    Rain Showers Likely

    • 66
    • 83

    Rain Showers Likely

    • 70
    • 89

    Mostly Sunny

    • 72
    • 89

    Chance Thunderstorms

    • 63
    • 86

    Rain Showers Likely

    • 59
    • 79

    Chance Rain Showers

Today 15 May Madison

Mostly cloudy with a chance of Showers and Thunderstorms in the Morning, then mostly sunny in the afternoon. Warmer with Highs in the mid 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 15 May Madison

Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Not as cool with Lows in the mid 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Edwardsville Temperature Statistics

May Temperature

St. Louis Regional Airport (6.8 miles)

  • Lowest 7 May, 2026

    39.6 °F

  • Average May

    57.2 °F

  • Highest 12 May, 2026

    80.6 °F

Climate (2021–Present)

St. Louis Regional Airport (6.8 miles)

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

  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    66.7 °F
Get WillyWeather+ to remove ads