Jerseyville Weather Forecast

    • 39
    • 63

    Becoming Sunny

    • 42
    • 64

    Slight Chance Rain Showers

    • 38
    • 59

    Partly Sunny

    • 42
    • 61

    Mostly Sunny

    • 50
    • 69

    Slight Chance Rain Showers

    • 49
    • 73

    Slight Chance Thunderstorms

Today 29 Apr Jersey

Sunny. Highs in the mid 60s. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph.

Tonight 29 Apr Jersey

Mostly cloudy in the Evening, then clearing. Cooler with Lows in the upper 30s. Northwest Winds 10 to 15 Mph, Diminishing to 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 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

    47.3 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.9 °F
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