Sullivan Lake Weather Forecast

    • 42
    • 70

    Chance Rain Showers

    • 37
    • 58

    Chance Rain Showers

    • 43
    • 69

    Mostly Sunny

    • 47
    • 73

    Partly Sunny

    • 48
    • 73

    Partly Sunny

    • 46
    • 70

    Slight Chance Rain

Today 6 Sep Frank Church Wilderness

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs 65 to 75.

Tonight 6 Sep Frank Church Wilderness

Mostly cloudy with a chance of rain Showers and a slight chance of Thunderstorms. Colder. Lows 35 to 45.

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  • Temperature Real-Time

Sullivan Lake Temperature Statistics

September Temperature

Stanley, Stanley Ranger Station (24.2 miles)

  • Lowest 1 September, 2026

    33.7 °F

  • Average September

    52.4 °F

  • Highest 1 September, 2026

    77.6 °F

Climate (2021–2026)

Stanley, Stanley Ranger Station (24.2 miles)

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  • Average Low 2021–2026

    23.2 °F

  • Average 2021–2026

    38.4 °F

  • Average High 2021–2026

    54 °F
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