Rainbow Falls Reservoir Weather Forecast

    • 64
    • 80

    Chance Thunderstorms

    • 54
    • 83

    Rain Showers

    • 57
    • 75

    Mostly Sunny

    • 49
    • 77

    Rain Showers Likely

    • 49
    • 67

    Partly Sunny

    • 49
    • 68

    Chance Rain Showers

Today 11 Jun Southeastern St. Lawrence

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the lower 80s. Light and variable Winds, becoming west around 10 Mph this afternoon. Chance of rain 50 percent.

Tonight 11 Jun Southeastern St. Lawrence

Partly cloudy. A chance of Showers and Thunderstorms until midnight. Humid with Lows in the mid 60s. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Falls Reservoir Temperature Statistics

June Temperature

Massena, Massena International-Richards Field (29.2 miles)

  • Lowest 1 June, 2026

    39.7 °F

  • Average June

    64.3 °F

  • Highest 3 June, 2026

    83.6 °F

Climate (2021–Present)

Massena, Massena International-Richards Field (29.2 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.8 °F
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