Sullivan Lake Weather Forecast

    • 39
    • 57

    Rain Showers Likely

    • 36
    • 59

    Partly Sunny

    • 37
    • 61

    Mostly Sunny

    • 40
    • 66

    Mostly Sunny

    • 42
    • 69

    Slight Chance Thunderstorms

    • 40
    • 67

    Mostly Sunny

Today 30 May Frank Church Wilderness

Mostly cloudy. A chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Highs 54 to 64.

Tonight 30 May Frank Church Wilderness

Mostly cloudy. A chance of rain Showers and a slight chance of Thunderstorms in the evening. Colder. Lows 33 to 43.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sullivan Lake Temperature Statistics

May Temperature

Stanley, Stanley Ranger Station (24.2 miles)

  • Lowest 17 May, 2026

    14.6 °F

  • Average May

    45.5 °F

  • Highest 12 May, 2026

    79.6 °F

Climate (2021–Present)

Stanley, Stanley Ranger Station (24.2 miles)

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  • Average Low 2021–2026

    23.3 °F

  • Average 2021–2026

    38.6 °F

  • Average High 2021–2026

    54.1 °F
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