Lewis Lake Weather Forecast

    • 18
    • 43

    Mostly Sunny

    • 21
    • 40

    Partly Sunny

    • 19
    • 38

    Partly Sunny

    • 24
    • 39

    Snow Showers Likely

    • 14
    • 33

    Snow Showers

    • 11
    • 28

    Snow Showers Likely

    • 8
    • 27

    Chance Snow Showers

Today 5 Feb Yellowstone National Park

Sunny. Highs in the upper 40s.

Tonight 5 Feb Yellowstone National Park

Clear, cold with Lows around 20.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis Lake Temperature Statistics

February Temperature

Yellowstone Lake (19.3 miles)

  • Lowest 1 February, 2026

    12 °F

  • Average February

    25.9 °F

  • Highest 1 February, 2026

    37.9 °F

Climate (2021–Present)

Yellowstone Lake (19.3 miles)

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  • Average Low 2021–2026

    22.9 °F

  • Average 2021–2026

    35.7 °F

  • Average High 2021–2026

    48.5 °F
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