Bull Trout Lake Weather Forecast

    • 35
    • 56

    Rain Showers

    • 34
    • 56

    Chance Thunderstorms

    • 38
    • 64

    Mostly Sunny

    • 38
    • 64

    Partly Sunny

    • 37
    • 62

    Mostly Sunny

    • 37
    • 62

    Mostly Sunny

Today 18 Sep Boise Mountains

Mostly cloudy with a chance of rain Showers. Areas of fog this morning. Patchy smoke this afternoon. A chance of Thunderstorms this afternoon. Chance of rain 30 percent. Cooler with Highs 59 to 73.

Tonight 18 Sep Boise Mountains

A slight chance of Thunderstorms in the evening. Partly cloudy with a chance of rain Showers. Areas of fog. Chance of rain 30 percent. Lows 35 to 50.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bull Trout Lake Temperature Statistics

September Temperature

Stanley, Stanley Ranger Station (16.8 miles)

  • Lowest 15 September, 2026

    21.9 °F

  • Average September

    50.1 °F

  • Highest 1 September, 2026

    77.6 °F

Climate (2021–2026)

Stanley, Stanley Ranger Station (16.8 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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