Chaumont Weather Forecast

    • 53
    • 71

    Chance Rain Showers

    • 61
    • 80

    Chance Rain Showers

    • 57
    • 74

    Rain Showers

    • 44
    • 67

    Partly Sunny

    • 44
    • 59

    Partly Sunny

    • 48
    • 66

    Mostly Cloudy

Today 17 May Jefferson

Mostly cloudy through early Afternoon, then clearing. Patchy fog through early afternoon. Highs Ranging from the upper 60s along the lake Ontario shore to the mid 70s inland. Light west Winds.

Tonight 17 May Jefferson

Mostly cloudy. A chance of Showers overnight. Lows in the lower 50s. Light east Winds. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chaumont Temperature Statistics

May Temperature

Watertown, Watertown International Airport (7.5 miles)

  • Lowest 1 May, 2026

    29.6 °F

  • Average May

    48.1 °F

  • Highest 4 May, 2026

    70.6 °F

Climate (2021–Present)

Watertown, Watertown International Airport (7.5 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57.6 °F
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