Jefferson County Fairgrounds Weather Forecast

    • 56
    • 69

    Slight Chance Rain Showers

    • 55
    • 82

    Mostly Sunny

    • 56
    • 75

    Partly Sunny

    • 55
    • 78

    Chance Rain Showers

    • 45
    • 66

    Partly Sunny

    • 50
    • 64

    Partly Sunny

Today 9 Oct Jefferson

Partly sunny. Chance of light rain Showers and slight chance of Thunderstorms in the afternoon. Highs in the upper 60s. Southeast Winds up to 10 Mph. Chance of precipitation 40 percent.

Tonight 9 Oct Jefferson

Partly cloudy through around midnight then clearing. Lows in the mid 50s. Southeast Winds 5 to 10 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

    56 °F

  • Highest 6 October, 2026

    74.7 °F

Climate (2021–2026)

Watertown (11.8 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    53.8 °F
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