Jefferson County Fairgrounds Weather Forecast

    • 45
    • 57

    Chance Rain Showers

    • 48
    • 58

    Rain Showers Likely

    • 51
    • 66

    Mostly Cloudy

    • 56
    • 66

    Rain Showers Likely

    • 52
    • 69

    Rain Showers Likely

    • 46
    • 64

    Chance Rain Showers

Today 30 Oct Jefferson

Cooler. Partly sunny. Highs in the upper 50s. East Winds up to 5 Mph.

Tonight 30 Oct Jefferson

Cloudy with a 50 percent chance of light rain Showers. Lows in the mid 40s. East Winds up to 5 Mph.

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Jefferson County Fairgrounds Temperature Statistics

October Temperature

Watertown (11.8 miles)

  • Lowest 17 October, 2026

    31.8 °F

  • Average October

    57.7 °F

  • Highest 12 October, 2026

    86.5 °F

Climate (2021–2026)

Watertown (11.8 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    53.9 °F
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