Sullivan Weather Forecast

    • 46
    • 73

    Increasing Clouds

    • 46
    • 69

    Mostly Sunny

    • 60
    • 74

    Partly Sunny

    • 63
    • 82

    Slight Chance Thunderstorms

    • 60
    • 84

    Chance Thunderstorms

    • 56
    • 79

    Mostly Sunny

Today 9 Jun Jefferson

Sunny late in the morning then becoming partly sunny. Highs in the lower 70s. Northwest Winds 10 to 20 Mph.

Tonight 9 Jun Jefferson

Mostly cloudy through around midnight then clearing. Lows in the upper 40s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sullivan Temperature Statistics

June Temperature

Watertown (12.4 miles)

  • Lowest 2 June, 2024

    51.6 °F

  • Average June

    65.3 °F

  • Highest 4 June, 2024

    81.3 °F

Climate (2019–Present)

Watertown (12.4 miles)

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  • Average Low 2019–2024

    37.2 °F

  • Average 2019–2024

    46.7 °F

  • Average High 2019–2024

    55.6 °F
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