Upper Lake Weather Forecast

    • 55
    • 75

    Mostly Sunny

    • 69
    • 81

    Chance Thunderstorms

    • 72
    • 87

    Chance Rain Showers

    • 74
    • 92

    Mostly Sunny

    • 64
    • 90

    Chance Rain Showers

    • 61
    • 79

    Chance Rain Showers

    • 62
    • 75

    Chance Rain Showers

Today 20 Jun Southwestern St. Lawrence

Mostly sunny. Highs in the mid 70s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 Jun Southwestern St. Lawrence

Mostly clear. Lows in the mid 50s. Southwest Winds around 10 Mph until Midnight, becoming light and variable.

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  • Temperature Real-Time

Upper Lake Temperature Statistics

June Temperature

Massena, Massena International-Richards Field (29.8 miles)

  • Lowest 3 June, 2025

    42.7 °F
  • Average June

    64.6 °F
  • Highest 4 June, 2025

    87.7 °F

Climate (2020–Present)

Massena, Massena International-Richards Field (29.8 miles)

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  • Average Low 2020–2025

    36.8 °F
  • Average 2020–2025

    46.6 °F
  • Average High 2020–2025

    56.2 °F
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