Gill Harbor Weather Forecast

    • 51
    • 58

    Mostly Cloudy

    • 52
    • 58

    Rain

    • 50
    • 57

    Chance Rain Showers

    • 50
    • 57

    Chance Rain Showers

    • 47
    • 55

    Chance Rain Showers

    • 49
    • 56

    Slight Chance Rain Showers

Today 27 May Jefferson

Partly to mostly sunny. Highs Ranging from the upper 60s along the lake Ontario shore to the lower 70s inland. West Winds 10 Mph or less.

Tonight 27 May Jefferson

Mostly cloudy. Lows in the lower 50s. Light southeast Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gill Harbor Temperature Statistics

May Temperature

Watertown, Watertown International Airport (19.3 miles)

  • Lowest 1 May, 2025

    33.7 °F

  • Average May

    55.4 °F

  • Highest 13 May, 2025

    83.6 °F

Climate (2020–Present)

Watertown, Watertown International Airport (19.3 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    57.7 °F
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