Ranger Lake Weather Forecast

    • 41
    • 67

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 46
    • 70

    Mostly Sunny

    • 43
    • 69

    Chance Rain Showers

    • 36
    • 52

    Chance Rain/Snow

    • 36
    • 56

    Mostly Sunny

Today 9 Sep Yellowstone National Park

Widespread frost in the morning. Sunny. Highs in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 9 Sep Yellowstone National Park

Clear. Widespread frost. Lows in the lower 30s.

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Ranger Lake Temperature Statistics

September Temperature

West Yellowstone (32.3 miles)

  • Lowest 6 September, 2026

    30.2 °F

  • Average September

    54.3 °F

  • Highest 6 September, 2026

    75.2 °F

Climate (2021–2026)

West Yellowstone (32.3 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    66 °F
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