Perch River Weather Forecast

    • 41
    • 55

    Rain Showers

    • 43
    • 61

    Rain Showers

    • 45
    • 56

    Chance Rain Showers

    • 45
    • 64

    Partly Sunny

    • 48
    • 68

    Partly Sunny

    • 49
    • 68

    Chance Rain Showers

Today 12 May Jefferson

Sunny, cool with Highs in the mid 50s. West Winds 10 Mph or less.

Tonight 12 May Jefferson

Mostly cloudy. Showers likely overnight. Lows Ranging from the lower 40s across the tug hill to the mid 40s along the lake Ontario shore. Light Winds, becoming southeast 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Perch River Temperature Statistics

May Temperature

Watertown, Watertown International Airport (5.6 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 (5.6 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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