Winthrop Weather Forecast

    • 50
    • 66

    Rain Showers

    • 47
    • 63

    Chance Rain Showers

    • 42
    • 73

    Rain Showers

    • 27
    • 52

    Chance Rain Showers

    • 27
    • 39

    Partly Sunny

    • 38
    • 51

    Chance Rain Showers

Today 16 Apr Northern St. Lawrence

Cloudy. Patchy fog this morning. A chance of Showers this Morning, then Showers with a slight chance of Thunderstorms this afternoon. Much warmer with Highs in the mid 60s. Light and variable Winds, becoming southwest around 10 Mph this afternoon. Chance of rain 90 percent.

Tonight 16 Apr Northern St. Lawrence

Showers likely. A slight chance of Thunderstorms until Midnight, then a chance of drizzle after midnight. Patchy fog after midnight. Lows in the upper 40s. West Winds around 10 Mph until Midnight, becoming light and variable. Chance of rain 70 percent.

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  • 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

    41.1 °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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