Grassy Mountain Weather Forecast

    • 43
    • 53

    Thunderstorms

    • 41
    • 52

    Rain Showers

    • 41
    • 53

    Thunderstorms Likely

    • 40
    • 52

    Chance Thunderstorms

    • 41
    • 53

    Chance Thunderstorms

    • 41
    • 54

    Chance Thunderstorms

Today 26 Aug Northwestern San Juan Mountains

Showers likely with a chance of Thunderstorms in the Morning, then Showers and Thunderstorms in the afternoon. Highs 55 to 65.

Tonight 26 Aug Northwestern San Juan Mountains

Showers with a chance of Thunderstorms in the Evening, then Showers with a slight chance of Thunderstorms after midnight. Lows 35 to 45.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grassy Mountain Temperature Statistics

August Temperature

Telluride, Telluride Regional Airport (30.4 miles)

  • Lowest 11 August, 2025

    44.6 °F

  • Average August

    64.6 °F

  • Highest 19 August, 2025

    80.6 °F

Climate (2020–Present)

Telluride, Telluride Regional Airport (30.4 miles)

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  • Average Low 2020–2025

    33.8 °F

  • Average 2020–2025

    43.6 °F

  • Average High 2020–2025

    53.4 °F
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