Jefferson County Fairgrounds Weather Forecast

    • 29
    • 52

    Partly Sunny

    • 37
    • 54

    Sunny

    • 39
    • 62

    Mostly Sunny

    • 40
    • 65

    Partly Sunny

    • 43
    • 69

    Mostly Sunny

    • 48
    • 71

    Partly Sunny

Today 16 Oct Jefferson

Cloudy. A 50 percent chance of light rain Showers until late afternoon. Highs in the lower 50s. North Winds 15 to 20 Mph.

Tonight 16 Oct Jefferson

Colder. Partly cloudy in the evening then clearing. Widespread frost in the late evening and overnight. Lows around 30. North Winds up to 15 Mph.

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Jefferson County Fairgrounds Temperature Statistics

October Temperature

Watertown (11.8 miles)

  • Lowest 5 October, 2026

    37.4 °F

  • Average October

    60.7 °F

  • Highest 12 October, 2026

    86.5 °F

Climate (2021–2026)

Watertown (11.8 miles)

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  • Average Low 2021–2026

    35.1 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    53.8 °F
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