Henderson Bay Weather Forecast

    • 57
    • 65

    Chance Rain Showers

    • 58
    • 67

    Partly Sunny

    • 59
    • 70

    Chance Rain Showers

    • 59
    • 72

    Partly Sunny

    • 61
    • 69

    Partly Sunny

    • 61
    • 74

    Rain Showers Likely

    • 60
    • 70

    Chance Rain Showers

Today 20 Jun Jefferson

A chance of Showers and Thunderstorms Early, then Showers likely with a chance of Thunderstorms late. Highs Ranging from the lower 60s on the tug hill to the upper 60s across the lower Elevations. Southwest Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 20 Jun Jefferson

Partly to mostly cloudy. Lows Ranging from the lower 50s across the tug hill to the mid 50s along the lake Ontario shore. Light southwest Winds.

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  • Temperature Real-Time

Henderson Bay Temperature Statistics

June Temperature

Watertown, Watertown International Airport (9.9 miles)

  • Lowest 2 June, 2026

    36.6 °F

  • Average June

    64.8 °F

  • Highest 9 June, 2026

    83.6 °F

Climate (2021–2026)

Watertown, Watertown International Airport (9.9 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57.5 °F
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