Delusion Lake Weather Forecast

    • -9
    • 28

    Becoming Sunny

    • -6
    • 34

    Mostly Sunny

    • 1
    • 34

    Partly Sunny

    • 17
    • 29

    Snow Showers

    • 16
    • 29

    Snow Showers

    • 17
    • 28

    Snow Showers

    • 16
    • 32

    Snow Showers Likely

Today 28 Jan Yellowstone National Park

Sunny. Highs in the upper 30s. Temperature falling into the lower 30s late.

Tonight 28 Jan Yellowstone National Park

Clear, cold with Lows 2 below to 8 above zero.

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Delusion Lake Temperature Statistics

January Temperature

Yellowstone Lake (9.9 miles)

  • Lowest 20 January, 2025

    -34.6 °F

  • Average January

    8.4 °F

  • Highest 3 January, 2025

    34 °F

Climate (2020–Present)

Yellowstone Lake (9.9 miles)

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  • Average Low 2020–2025

    21.7 °F

  • Average 2020–2025

    34.5 °F

  • Average High 2020–2025

    47 °F
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