Jamestown Weather Forecast

    • 31
    • 52

    Increasing Clouds

    • 43
    • 47

    Rain

    • 32
    • 52

    Chance Rain

    • 40
    • 49

    Mostly Cloudy

    • 41
    • 61

    Mostly Cloudy

    • 32
    • 54

    Partly Sunny

    • 36
    • 46

    Mostly Cloudy

Today 29 Jan Clinton

Sunny. Highs in the lower 50s. West Winds 5 to 10 Mph.

Tonight 29 Jan Clinton

Mostly clear early this Evening, then becoming partly cloudy. Near steady temperature in the mid 30s. Southeast Winds around 5 Mph.

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Jamestown Temperature Statistics

January Temperature

Belleville, Scott AFB/MidAmerica Airport (21.7 miles)

  • Lowest 15 January, 2025

    2.7 °F

  • Average January

    25.7 °F

  • Highest 25 January, 2025

    50.4 °F

Climate (2020–Present)

Belleville, Scott AFB/MidAmerica Airport (21.7 miles)

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  • Average Low 2020–2025

    47.1 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    67 °F
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