Chaumont Weather Forecast

    • 55
    • 78

    Increasing Clouds

    • 55
    • 75

    Mostly Cloudy

    • 52
    • 75

    Partly Sunny

    • 42
    • 69

    Mostly Sunny

    • 50
    • 70

    Partly Sunny

    • 59
    • 76

    Chance Rain Showers

Today 16 Sep Jefferson

Sunny. Highs Ranging from the lower 70s on the tug hill to the upper 70s across the lower Elevations. Light north Winds.

Tonight 16 Sep Jefferson

Mainly clear in the Evening, then becoming mostly cloudy with some patchy fog developing overnight. Lows in the mid 50s. Light Winds.

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Chaumont Temperature Statistics

September Temperature

Watertown, Watertown International Airport (7.5 miles)

  • Lowest 9 September, 2025

    39.9 °F
  • Average September

    61.4 °F
  • Highest 4 September, 2025

    80.1 °F

Climate (2020–Present)

Watertown, Watertown International Airport (7.5 miles)

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  • Average Low 2020–2025

    38.9 °F
  • Average 2020–2025

    48.7 °F
  • Average High 2020–2025

    57.7 °F
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