Brewster Lake Weather Forecast

    • 48
    • 73

    Isolated Thunderstorms

    • 44
    • 71

    Slight Chance Thunderstorms

    • 42
    • 70

    Partly Sunny

    • 43
    • 70

    Slight Chance Thunderstorms

    • 42
    • 65

    Chance Thunderstorms

    • 41
    • 63

    Thunderstorms Likely

Today 20 Aug Teton and Gros Ventre Mountains

Partly cloudy with a slight chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the upper 70s. South Winds around 10 Mph, becoming west in the afternoon. Chance of rain 20 percent.

Tonight 20 Aug Teton and Gros Ventre Mountains

Partly cloudy. Lows in the lower 50s. West Winds around 10 Mph with Gusts up to 20 Mph in the evening.

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Brewster Lake Temperature Statistics

August Temperature

Jackson, Jackson Hole Airport (27.3 miles)

  • Lowest 9 August, 2025

    35.1 °F

  • Average August

    61.7 °F

  • Highest 13 August, 2025

    88 °F

Climate (2020–Present)

Jackson, Jackson Hole Airport (27.3 miles)

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  • Average Low 2020–2025

    25.4 °F

  • Average 2020–2025

    38.5 °F

  • Average High 2020–2025

    51.9 °F
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