Westcott Beach State Park Weather Forecast

    • 45
    • 67

    Mostly Cloudy

    • 50
    • 65

    Chance Rain Showers

    • 48
    • 63

    Rain Showers Likely

    • 46
    • 61

    Mostly Cloudy

    • 47
    • 63

    Chance Rain Showers

    • 48
    • 63

    Chance Rain Showers

    • 50
    • 63

    Chance Rain Showers

Today 18 Sep Jefferson

Mostly sunny. Highs in the mid 60s.

Tonight 18 Sep Jefferson

Mostly cloudy through the early Overnight, then becoming partly cloudy. Lows Ranging from the lower 40s across the tug hill to the mid 40s along the lake Ontario shore. Light northeast Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Westcott Beach State Park Temperature Statistics

September Temperature

Watertown, Watertown International Airport (8.1 miles)

  • Lowest 12 September, 2026

    42.7 °F

  • Average September

    64.8 °F

  • Highest 2 September, 2026

    83.6 °F

Climate (2021–2026)

Watertown, Watertown International Airport (8.1 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.6 °F
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