Winthrop Weather Forecast

    • 48
    • 65

    Rain Showers

    • 54
    • 64

    Rain Showers

    • 54
    • 66

    Rain Showers Likely

    • 54
    • 69

    Rain Showers Likely

    • 50
    • 66

    Slight Chance Rain Showers

    • 52
    • 75

    Chance Rain Showers

Today 13 Apr Northern St. Lawrence

A chance of Showers this Morning, then Showers this afternoon. Warmer with Highs in the mid 60s. Southwest Winds 15 to 20 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

Tonight 13 Apr Northern St. Lawrence

Mostly cloudy. A slight chance of Showers until midnight. Lows in the mid 40s. West Winds 10 to 15 Mph with Gusts up to 30 Mph until Midnight, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winthrop Temperature Statistics

April Temperature

Massena, Massena International-Richards Field (9.9 miles)

  • Lowest 8 April, 2026

    15.7 °F

  • Average April

    40.3 °F

  • Highest 3 April, 2026

    72.6 °F

Climate (2021–Present)

Massena, Massena International-Richards Field (9.9 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.8 °F
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