Jerseyville Weather Forecast

    • 36
    • 65

    Partly Cloudy

    • 49
    • 65

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

    • 59
    • 78

    Mostly Sunny

    • 61
    • 82

    Rain Showers Likely

    • 47
    • 72

    Rain Showers Likely

Today 19 Apr Jersey

Areas of frost this morning. Sunny. Highs in the mid 60s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 19 Apr Jersey

Partly cloudy in the Evening, then clearing. Lows in the mid 30s. North Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northeast around 5 Mph after midnight.

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  • Temperature Real-Time

Jerseyville Temperature Statistics

April Temperature

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

  • Lowest 6 April, 2026

    38.6 °F

  • Average April

    63.5 °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

    47.3 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.9 °F
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