Sullivan Lake Weather Forecast

    • 44
    • 58

    Cloudy

    • 40
    • 44

    Rain Showers

    • 35
    • 48

    Rain Showers

    • 38
    • 49

    Chance Rain Showers

    • 38
    • 55

    Mostly Cloudy

    • 43
    • 63

    Mostly Sunny

    • 46
    • 68

    Mostly Sunny

Today 4 May Northeast Mountains

Cloudy. Highs in the mid to upper 60s. East wind 5 to 15 Mph with Gusts up to 20 Mph.

Tonight 4 May Northeast Mountains

Cloudy. A chance of rain overnight. Lows in the 40s. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sullivan Lake Temperature Statistics

May Temperature

Boundary County Airport (45.4 miles)

  • Lowest 1 May, 2024

    32 °F

  • Average May

    43.1 °F

  • Highest 2 May, 2024

    55.4 °F

Climate (2019–Present)

Boundary County Airport (45.4 miles)

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  • Average Low 2019–2024

    37 °F

  • Average 2019–2024

    46.5 °F

  • Average High 2019–2024

    55.9 °F
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