Sullivan Lake Weather Forecast

    • 25
    • 46

    Increasing Clouds

    • 23
    • 45

    Partly Sunny

    • 24
    • 47

    Mostly Sunny

    • 16
    • 44

    Mostly Sunny

    • 19
    • 37

    Partly Sunny

    • 23
    • 39

    Chance Rain/Snow

Today 21 Nov Wood River Foothills

Sunny. Areas of dense fog in the morning. Highs 40 to 50. Northwest Winds up to 10 Mph. Shifting to southwest around 10 Mph in the afternoon.

Tonight 21 Nov Wood River Foothills

Partly cloudy. Lows 22 to 30. Light and variable Winds.

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Sullivan Lake Temperature Statistics

November Temperature

Hailey, Friedman Memorial Airport (14.3 miles)

  • Lowest 8 November, 2025

    26.6 °F

  • Average November

    41.1 °F

  • Highest 1 November, 2025

    60.8 °F

Climate (2020–Present)

Hailey, Friedman Memorial Airport (14.3 miles)

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  • Average Low 2020–2025

    34 °F

  • Average 2020–2025

    42.3 °F

  • Average High 2020–2025

    55.9 °F
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