Jerseyville Weather Forecast

    • 72
    • 87

    Chance Rain Showers

    • 68
    • 87

    Rain Showers

    • 69
    • 84

    Rain Showers

    • 73
    • 90

    Chance Thunderstorms

    • 73
    • 94

    Mostly Sunny

    • 70
    • 93

    Slight Chance Thunderstorms

    • 68
    • 91

    Partly Sunny

Today 6 Jun Jersey

Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 6 Jun Jersey

Mostly cloudy. A chance of Showers and Thunderstorms this Evening, then a slight chance of Showers after midnight. Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jerseyville Temperature Statistics

June Temperature

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

  • Lowest 3 June, 2026

    56.6 °F

  • Average June

    72.7 °F

  • Highest 4 June, 2026

    84.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    69 °F
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