Rock Island Lighthouse Weather Forecast

    • 53
    • 73

    Mostly Sunny

    • 55
    • 74

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 59
    • 77

    Mostly Sunny

    • 64
    • 77

    Rain Showers Likely

    • 62
    • 78

    Rain Showers Likely

    • 58
    • 75

    Slight Chance Rain Showers

Today 23 Aug Jefferson

Partly cloudy Early, then becoming mainly clear with some patchy fog developing after midnight. Lows Ranging from the upper 40s across the tug hill to the lower 50s along the lake Ontario shore. Light north Winds.

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  • Temperature Real-Time

Rock Island Lighthouse Temperature Statistics

August Temperature

Watertown, Watertown International Airport (19.9 miles)

  • Lowest 2 August, 2019

    48.9 °F
  • Average August

    68.7 °F
  • Highest 6 August, 2019

    87.1 °F

Climate (2010–Present)

Watertown, Watertown International Airport (19.9 miles)

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  • Average Low 2010–Present

    37.8 °F
  • Average 2010–Present

    47.5 °F
  • Average High 2010–Present

    55.7 °F
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