Jerseyville Weather Forecast

    • 63
    • 81

    Increasing Clouds

    • 63
    • 83

    Rain Showers

    • 54
    • 73

    Partly Sunny

    • 55
    • 75

    Partly Sunny

    • 60
    • 79

    Chance Rain Showers

    • 66
    • 83

    Rain Showers Likely

    • 62
    • 83

    Chance Thunderstorms

Today 12 Jun Jersey

Sunny, cooler. Near steady temperature around 80. Northwest Winds around 5 Mph with Gusts up to 20 Mph.

Tonight 12 Jun Jersey

Mostly clear. Lows in the lower 60s. East Winds around 5 Mph, becoming southeast after midnight.

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  • 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

    77.4 °F

  • Highest 9 June, 2026

    91 °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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