Blue River Weather Forecast

    • 33
    • 61

    Mostly Sunny

    • 36
    • 66

    Mostly Cloudy

    • 35
    • 64

    Chance Thunderstorms

    • 34
    • 62

    Chance Thunderstorms

    • 31
    • 61

    Slight Chance Thunderstorms

    • 34
    • 65

    Mostly Sunny

Today 18 Sep South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Mostly sunny. Highs 49 to 59. Northwest Winds 10 to 15 Mph with Gusts up to 20 Mph in the afternoon.

Tonight 18 Sep South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Mostly clear. Lows 30 to 40.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blue River Temperature Statistics

September Temperature

Copper Mountain - Red Cliff Pass (6.2 miles)

  • Lowest 14 September, 2025

    33.8 °F

  • Average September

    50.9 °F

  • Highest 1 September, 2025

    66.2 °F

Climate (2020–Present)

Copper Mountain - Red Cliff Pass (6.2 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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