Chaumont Weather Forecast

    • 63
    • 76

    Mostly Cloudy

    • 66
    • 75

    Rain Showers

    • 52
    • 73

    Partly Sunny

    • 53
    • 69

    Mostly Sunny

    • 65
    • 77

    Chance Rain Showers

    • 58
    • 76

    Chance Rain Showers

    • 56
    • 71

    Chance Rain Showers

Today 8 Sep Jefferson

Mostly cloudy. Highs in the mid 70s. Light northwest Winds.

Tonight 8 Sep Jefferson

Mostly cloudy and warm with Lows Ranging from around 60 across the tug hill to the mid 60s along the lake Ontario shore. Light Winds, becoming southeast 5 to 10 Mph.

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Chaumont Temperature Statistics

September Temperature

Watertown, Watertown International Airport (7.5 miles)

  • Lowest 6 September, 2026

    50 °F

  • Average September

    68 °F

  • Highest 2 September, 2026

    83.6 °F

Climate (2021–2026)

Watertown, Watertown International Airport (7.5 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.6 °F
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