Jerseyville Weather Forecast

    • 60
    • 79

    Chance Thunderstorms

    • 50
    • 79

    Rain Showers

    • 47
    • 68

    Chance Rain Showers

    • 43
    • 65

    Mostly Sunny

    • 45
    • 66

    Partly Sunny

    • 42
    • 64

    Partly Sunny

Today 26 Apr Jersey

Sunny. Highs in the upper 70s. Southeast Winds 10 to 15 Mph.

Tonight 26 Apr Jersey

Mostly cloudy. Showers and Thunderstorms likely after midnight. Not as cool with Lows around 60. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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Jerseyville Temperature Statistics

April Temperature

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

  • Lowest 19 April, 2026

    37.9 °F

  • Average April

    62.5 °F

  • Highest 14 April, 2026

    91.7 °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

    68.9 °F
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