Merrell Lake Weather Forecast

    • 60
    • 89

    Partly Sunny

    • 57
    • 84

    Rain Showers Likely

    • 54
    • 81

    Rain Showers Likely

    • 53
    • 80

    Chance Thunderstorms

    • 54
    • 78

    Chance Thunderstorms

    • 54
    • 79

    Chance Rain Showers

Today 21 Aug Paradise Valley

Mostly sunny. Highs in the lower 90s. Southwest Winds 5 to 10 Mph in the morning shifting to the north in the afternoon.

Tonight 21 Aug Paradise Valley

Mostly cloudy. Lows in the upper 50s. East Winds 5 to 10 Mph.

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Merrell Lake Temperature Statistics

August Temperature

West Yellowstone (34.8 miles)

  • Lowest 4 August, 2026

    30.2 °F

  • Average August

    59.7 °F

  • Highest 1 August, 2026

    91.4 °F

Climate (2021–2026)

West Yellowstone (34.8 miles)

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  • Average Low 2021–2026

    33.7 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    65.9 °F
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