Jamesville Weather Forecast

    • 23
    • 49

    Becoming Sunny

    • 18
    • 42

    Mostly Sunny

    • 31
    • 50

    Chance Rain

    • 25
    • 54

    Slight Chance Rain

    • 29
    • 49

    Partly Sunny

    • 32
    • 58

    Chance Rain/Snow

Today 19 Jan Martin

Sunny. Highs in the upper 40s. Southwest Winds 5 to 10 Mph.

Tonight 19 Jan Martin

Mostly clear. Cold with Lows in the lower 20s. West Winds around 5 Mph, becoming northwest after midnight.

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Jamesville Temperature Statistics

January Temperature

Washington, Warren Field Airport (18.6 miles)

  • Lowest 16 January, 2026

    22.8 °F

  • Average January

    47 °F

  • Highest 10 January, 2026

    77 °F

Climate (2021–Present)

Washington, Warren Field Airport (18.6 miles)

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  • Average Low 2021–2026

    52.7 °F

  • Average 2021–2026

    62.6 °F

  • Average High 2021–2026

    73.2 °F
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