Rainbow Falls Reservoir Weather Forecast

    • 37
    • 60

    Decreasing Clouds

    • 28
    • 48

    Partly Sunny

    • 27
    • 49

    Mostly Sunny

    • 37
    • 51

    Chance Rain Showers

    • 48
    • 62

    Chance Rain Showers

    • 43
    • 67

    Rain Showers

Today 14 Oct Southeastern St. Lawrence

Partly sunny. Highs in the lower 60s. Light and variable Winds.

Tonight 14 Oct Southeastern St. Lawrence

Partly cloudy. Lows in the upper 30s. Light and variable Winds, becoming northwest around 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Falls Reservoir Temperature Statistics

October Temperature

Massena, Massena International-Richards Field (29.2 miles)

  • Lowest 10 October, 2025

    25 °F

  • Average October

    54 °F

  • Highest 5 October, 2025

    84.9 °F

Climate (2020–Present)

Massena, Massena International-Richards Field (29.2 miles)

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  • Average Low 2020–2025

    36.8 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    56.4 °F
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