Granby Weather Forecast

    • 37
    • 73

    Chance Rain Showers

    • 36
    • 70

    Chance Thunderstorms

    • 35
    • 72

    Partly Sunny

    • 37
    • 75

    Slight Chance Thunderstorms

    • 38
    • 73

    Chance Thunderstorms

    • 35
    • 71

    Chance Thunderstorms

    • 30
    • 65

    Chance Thunderstorms

Today 6 Sep Grand and Summit Counties Below 9000 Feet

Mostly sunny in the Morning, then mostly cloudy with a slight chance of Thunderstorms early in the afternoon. Mostly cloudy with a chance of Thunderstorms late in the afternoon. Areas of smoke through the day. Highs 67 to 75. West Winds 10 to 15 Mph with Gusts up to 20 Mph in the afternoon. Chance of precipitation 30 percent.

Tonight 6 Sep Grand and Summit Counties Below 9000 Feet

Mostly cloudy. Areas of smoke in the evening. Chance of Showers and slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows 37 to 45. Chance of rain 30 percent.

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  • Temperature Real-Time

Granby Temperature Statistics

September Temperature

Kremmling, Mc Elroy Airfield (22.4 miles)

  • Lowest 1 September, 2025

    33.8 °F

  • Average September

    58.1 °F

  • Highest 3 September, 2025

    80.6 °F

Climate (2020–Present)

Kremmling, Mc Elroy Airfield (22.4 miles)

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  • Average Low 2020–2025

    23.7 °F

  • Average 2020–2025

    38.9 °F

  • Average High 2020–2025

    54.9 °F
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