Rough Lake Weather Forecast

    • 27
    • 43

    Chance Rain Showers

    • 30
    • 49

    Increasing Clouds

    • 34
    • 50

    Chance Rain Showers

    • 33
    • 48

    Chance Rain Showers

    • 36
    • 54

    Mostly Sunny

    • 33
    • 53

    Partly Sunny

    • 29
    • 46

    Chance Snow Showers

Today 20 Sep Absaroka/Beartooth Mountains

Partly sunny. Chance of snow Showers early in the morning. Chance of rain Showers in the Morning, then slight chance of rain Showers in the afternoon. Highs in the lower 60s. Chance of precipitation 30 percent.

Tonight 20 Sep Absaroka/Beartooth Mountains

Partly cloudy. A 20 percent chance of rain Showers early in the evening. Patchy fog overnight. Areas of fog after 3 am. Lows in the upper 20s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rough Lake Temperature Statistics

September Temperature

Yellowstone Lake (49.1 miles)

  • Lowest 15 September, 2026

    25.6 °F

  • Average September

    48.8 °F

  • Highest 6 September, 2026

    72.6 °F

Climate (2021–2026)

Yellowstone Lake (49.1 miles)

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  • Average Low 2021–2026

    23 °F

  • Average 2021–2026

    35.8 °F

  • Average High 2021–2026

    48.5 °F
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