Fern Lake Weather Forecast

    • 41
    • 71

    Areas Smoke

    • 44
    • 77

    Areas Smoke

    • 46
    • 80

    Mostly Sunny

    • 47
    • 80

    Mostly Sunny

    • 46
    • 78

    Mostly Sunny

    • 46
    • 78

    Partly Sunny

Today 5 Aug Yellowstone National Park

Sunny. Smoke this Morning, then Areas of smoke this afternoon. Highs in the lower 70s. Southwest Winds around 10 Mph.

Tonight 5 Aug Yellowstone National Park

Clear. Areas of smoke. Lows in the mid 40s. Southwest Winds around 10 Mph.

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Fern Lake Temperature Statistics

August Temperature

Yellowstone Lake (11.2 miles)

  • Lowest 3 August, 2026

    41 °F

  • Average August

    60.9 °F

  • Highest 1 August, 2026

    85.6 °F

Climate (2021–2026)

Yellowstone Lake (11.2 miles)

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  • Average Low 2021–2026

    23 °F

  • Average 2021–2026

    35.7 °F

  • Average High 2021–2026

    48.5 °F
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