Mission Viejo Weather Forecast

    • 32
    • 67

    Decreasing Clouds

    • 36
    • 48

    Partly Sunny

    • 45
    • 69

    Partly Sunny

    • 36
    • 64

    Partly Sunny

    • 39
    • 60

    Partly Sunny

    • 38
    • 68

    Partly Sunny

Today 17 Dec North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Partly cloudy. Highs in the upper 60s. Southwest Winds 15 to 25 Mph. Gusts up to 40 Mph in the afternoon.

Tonight 17 Dec North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Mostly cloudy with a chance of rain in the Evening, then mostly clear after midnight. Lows 28 to 33. Northwest Winds 15 to 25 Mph. Gusts up to 45 Mph, decreasing to 35 Mph after midnight. Chance of rain 30 percent.

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Mission Viejo Temperature Statistics

December Temperature

Buckley Air Force Base Airport (5 miles)

  • Lowest 1 December, 2025

    10.6 °F

  • Average December

    40.3 °F

  • Highest 14 December, 2025

    68.4 °F

Climate (2020–Present)

Buckley Air Force Base Airport (5 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    64.9 °F
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