Jefferson County Fairgrounds Weather Forecast

    • 66
    • 90

    Smoke

    • 72
    • 90

    Isolated Thunderstorms

    • 61
    • 88

    Slight Chance Thunderstorms

    • 64
    • 85

    Partly Sunny

    • 67
    • 87

    Chance Thunderstorms

    • 58
    • 83

    Mostly Sunny

    • 56
    • 79

    Partly Sunny

Today 16 Jul Jefferson

Very warm. Partly sunny. Areas of smoke through the day. Isolated light Showers late in the afternoon. Near steady temperature in the upper 80s. Southeast Winds around 5 Mph. Chance of Showers 20 percent. Heat index Readings 95 to 96.

Tonight 16 Jul Jefferson

Partly cloudy with isolated light Showers and Thunderstorms in the Evening, then partly cloudy in the late evening and overnight. Areas of smoke through around midnight. Smoke after Midnight, then Areas of smoke early in the morning. Lows in the mid 60s. Southeast Winds up to 5 Mph. Chance of precipitation 20 percent.

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Jefferson County Fairgrounds Temperature Statistics

July Temperature

Watertown (11.8 miles)

  • Lowest 7 July, 2026

    53.2 °F

  • Average July

    75.7 °F

  • Highest 14 July, 2026

    95.4 °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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