Grant Weather Forecast

    • 37
    • 57

    Rain Showers Likely

    • 39
    • 57

    Chance Thunderstorms

    • 43
    • 64

    Partly Sunny

    • 44
    • 64

    Slight Chance Thunderstorms

    • 42
    • 63

    Chance Thunderstorms

    • 43
    • 65

    Slight Chance Thunderstorms

Today 17 Sep Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below

Partly cloudy with a slight chance of Showers in the Morning, then Showers likely and chance of Thunderstorms in the afternoon. Highs 58 to 68. Chance of rain 60 percent.

Tonight 17 Sep Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below

Rain Showers likely and chance of Thunderstorms in the Evening, then a chance of rain Showers after midnight. Lows 37 to 47. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Temperature Statistics

September Temperature

Copper Mountain - Red Cliff Pass (26.1 miles)

  • Lowest 14 September, 2025

    33.8 °F

  • Average September

    51 °F

  • Highest 1 September, 2025

    66.2 °F

Climate (2020–Present)

Copper Mountain - Red Cliff Pass (26.1 miles)

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  • Average Low 2020–2025

    29.6 °F

  • Average 2020–2025

    36.1 °F

  • Average High 2020–2025

    42.4 °F
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