Sun Valley Weather Forecast

    • 38
    • 65

    Chance Rain

    • 32
    • 56

    Rain/Snow Likely

    • 28
    • 49

    Chance Snow

    • 30
    • 46

    Chance Rain/Snow

    • 31
    • 50

    Rain/Snow Likely

    • 30
    • 45

    Chance Rain/Snow

Today 31 Mar North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Areas of fog in the morning. Mostly cloudy. Highs in the lower to mid 60s. South Winds 10 to 15 Mph with Gusts up to 20 Mph in the afternoon.

Tonight 31 Mar North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Mostly cloudy with a 20 percent chance of rain. Lows in the mid to upper 30s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Sun Valley Temperature Statistics

March Temperature

Broomfield / Jeffco (11.8 miles)

  • Lowest 8 March, 2025

    23 °F

  • Average March

    45.7 °F

  • Highest 27 March, 2025

    75.2 °F

Climate (2020–Present)

Broomfield / Jeffco (11.8 miles)

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  • Average Low 2020–2025

    41.2 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    64.9 °F
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