Jerseyville Weather Forecast

    • 65
    • 78

    Rain Showers

    • 70
    • 82

    Chance Thunderstorms

    • 73
    • 93

    Mostly Sunny

    • 75
    • 95

    Mostly Sunny

    • 75
    • 95

    Hot

    • 75
    • 95

    Mostly Sunny

    • 74
    • 96

    Mostly Sunny

Today 26 Jun Jersey

Showers with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the upper 70s. Southeast Winds around 5 Mph. Chance of rain 80 percent.

Tonight 26 Jun Jersey

Mostly cloudy. A chance of Showers and Thunderstorms, mainly this evening. Areas of fog after midnight. Some Thunderstorms may produce heavy rainfall this evening. Lows in the mid 60s. East Winds around 5 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Jerseyville Temperature Statistics

June Temperature

St. Charles, St. Charles County Smartt Airport (13.7 miles)

  • Lowest 16 June, 2026

    55.7 °F

  • Average June

    74.5 °F

  • Highest 17 June, 2026

    93.7 °F

Climate (2021–2026)

St. Charles, St. Charles County Smartt Airport (13.7 miles)

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

  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.9 °F
Get WillyWeather+ to remove ads