Sullivan Weather Forecast

    • 33
    • 59

    Partly Sunny

    • 34
    • 56

    Partly Sunny

    • 42
    • 59

    Chance Rain Showers

    • 43
    • 63

    Chance Rain Showers

    • 45
    • 70

    Chance Rain Showers

    • 40
    • 62

    Partly Sunny

    • 42
    • 62

    Partly Sunny

Today 5 May Jefferson

Mostly cloudy. Northwest Winds 10 to 15 Mph.

Tonight 5 May Jefferson

Mostly cloudy in the evening then becoming partly cloudy. Widespread frost after midnight. Lows in the mid 30s. Northwest Winds up to 10 Mph.

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Sullivan Temperature Statistics

May Temperature

Watertown (12.4 miles)

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Climate (2021–Present)

Watertown (12.4 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    54.6 °F
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