Jerseyville Weather Forecast

    • 68
    • 87

    Slight Chance Thunderstorms

    • 68
    • 89

    Rain Showers Likely

    • 68
    • 84

    Rain Showers

    • 69
    • 84

    Rain Showers

    • 71
    • 91

    Chance Thunderstorms

    • 73
    • 94

    Mostly Sunny

    • 73
    • 95

    Mostly Sunny

Today 5 Jun Jersey

Mostly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 5 Jun Jersey

Mostly cloudy. Lows in the upper 60s. Southwest Winds 5 to 10 Mph.

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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

    57 °F

  • Average June

    72.4 °F

  • Highest 1 June, 2026

    84.7 °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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