Sun Valley Weather Forecast

    • 66
    • 98

    Slight Chance Thunderstorms

    • 63
    • 95

    Chance Thunderstorms

    • 62
    • 92

    Chance Thunderstorms

    • 60
    • 90

    Chance Thunderstorms

    • 62
    • 91

    Slight Chance Thunderstorms

    • 65
    • 97

    Hot

    • 67
    • 100

    Hot

Today 6 Jul North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Partly cloudy. Slight chance of Showers early in the Afternoon, then a slight chance of Thunderstorms late in the afternoon. Areas of smoke through the day. Some Thunderstorms may produce gusty Winds late in the afternoon. Highs 92 to 98. East Winds 10 to 15 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 6 Jul North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Patchy smoke in the evening. Mostly cloudy with a slight chance of Thunderstorms early in the Evening, then partly cloudy overnight. Some Thunderstorms may produce gusty Winds early in the evening. Lows 59 to 67. Southeast Winds 10 to 15 Mph with Gusts up to 20 Mph in the Evening, becoming light. Chance of precipitation 20 percent.

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Sun Valley Temperature Statistics

July Temperature

Broomfield / Jeffco (11.8 miles)

  • Lowest 1 July, 2026

    55.4 °F

  • Average July

    71.1 °F

  • Highest 4 July, 2026

    91.4 °F

Climate (2021–2026)

Broomfield / Jeffco (11.8 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    65.9 °F
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