Rainbow Falls Reservoir Weather Forecast

    • 27
    • 32

    Snow

    • 14
    • 29

    Snow Likely

    • 32
    • 35

    Snow Likely

    • 21
    • 60

    Rain

    • 6
    • 25

    Slight Chance Snow Showers

    • 16
    • 26

    Mostly Cloudy

Today 13 Mar Southeastern St. Lawrence

Partly sunny late this Morning, then mostly cloudy with a chance of snow this afternoon. Snow accumulation around an inch possible. Highs in the lower 30s. Light and variable Winds, becoming south 10 to 15 Mph with Gusts up to 30 Mph this afternoon. Chance of snow 50 percent.

Tonight 13 Mar Southeastern St. Lawrence

Snow. Additional snow accumulation of 2 to 4 Inches. Lows in the upper 20s. South Winds 10 to 15 Mph, becoming southwest after midnight. Gusts up to 35 Mph. Chance of snow near 100 percent.

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Rainbow Falls Reservoir Temperature Statistics

March Temperature

Massena, Massena International-Richards Field (29.2 miles)

  • Lowest 2 March, 2026

    -15.4 °F

  • Average March

    31.2 °F

  • Highest 9 March, 2026

    64 °F

Climate (2021–Present)

Massena, Massena International-Richards Field (29.2 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    46.3 °F

  • Average High 2021–2026

    56 °F
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