Boulder Weather Forecast

    • 50
    • 87

    Increasing Clouds

    • 46
    • 84

    Slight Chance Thunderstorms

    • 44
    • 84

    Slight Chance Thunderstorms

    • 45
    • 83

    Slight Chance Thunderstorms

    • 46
    • 79

    Chance Thunderstorms

    • 43
    • 72

    Rain Showers Likely

Today 20 Aug Upper Green River Basin Foothills

Mostly sunny in the Morning, then becoming partly cloudy. Highs in the mid 80s. Southwest Winds 10 to 15 Mph in the afternoon.

Tonight 20 Aug Upper Green River Basin Foothills

Mostly clear. Near steady temperature in the lower 50s.

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Boulder Temperature Statistics

August Temperature

Pinedale, Ralph Wenz Field Airport (5 miles)

  • Lowest 9 August, 2025

    32 °F

  • Average August

    63.6 °F

  • Highest 4 August, 2025

    86 °F

Climate (2020–Present)

Pinedale, Ralph Wenz Field Airport (5 miles)

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  • Average Low 2020–2025

    23.2 °F

  • Average 2020–2025

    38.5 °F

  • Average High 2020–2025

    51.9 °F
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