Pettit Lake Weather Forecast

    • 29
    • 57

    Mostly Sunny

    • 32
    • 63

    Mostly Sunny

    • 36
    • 71

    Mostly Sunny

    • 40
    • 71

    Mostly Sunny

    • 36
    • 64

    Partly Sunny

    • 33
    • 62

    Partly Sunny

    • 30
    • 55

    Partly Sunny

Today 7 Sep Sawtooth/Stanley Basin

Mostly cloudy with a slight chance of rain and snow in the morning. Then mostly sunny in the afternoon. Highs 51 to 61.

Tonight 7 Sep Sawtooth/Stanley Basin

Mostly clear. Lows 26 to 36.

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Pettit Lake Temperature Statistics

September Temperature

Stanley, Stanley Ranger Station (15.5 miles)

  • Lowest 1 September, 2026

    33.7 °F

  • Average September

    52.6 °F

  • Highest 1 September, 2026

    77.6 °F

Climate (2021–2026)

Stanley, Stanley Ranger Station (15.5 miles)

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  • Average Low 2021–2026

    23.2 °F

  • Average 2021–2026

    38.4 °F

  • Average High 2021–2026

    53.9 °F
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