Jerseyville Weather Forecast

    • 62
    • 81

    Becoming Sunny

    • 62
    • 83

    Mostly Sunny

    • 65
    • 85

    Mostly Sunny

    • 67
    • 85

    Partly Sunny

    • 69
    • 85

    Chance Thunderstorms

    • 71
    • 87

    Slight Chance Thunderstorms

Today 2 Aug Jersey

Mostly sunny. A slight chance of drizzle in the morning. Not as cool with Highs in the lower 80s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 2 Aug Jersey

Mostly cloudy with a chance of drizzle. Near steady temperature in the upper 60s. North Winds 10 to 15 Mph.

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Jerseyville Temperature Statistics

August Temperature

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

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  • Average August

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Climate (2021–2026)

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

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    69 °F
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