National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

CW5283 Foothill Ranch (C5283)

Lat: 33.685°NLon: 117.65583°WElev: 970.0ft.

NA

71°F

22°C

Humidity 44%
Wind Speed NE 0 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 30 Aug 03:27 AM PDT
Extended Forecast for

Mission Viejo CA

Heat Advisory September 1, 10:00am until September 2, 06:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 66. West wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 95. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers after 11pm. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 11am. Mostly sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 30%.

    High: 96 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 65.

    Low: 65 °F

    Patchy Fog

Detailed Forecast

Tonight
Mostly clear, with a low around 66. West wind around 5 mph becoming calm in the evening.
Labor Day
Sunny, with a high near 95. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Monday Night
A slight chance of showers after 11pm. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
A chance of showers before 11am. Mostly sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Sunny, with a high near 88.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 65.
Friday
Patchy fog before 11am. Otherwise, sunny, with a high near 85.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 64.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 84.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 64.
Sunday
Patchy fog. Otherwise, partly sunny, then gradually becoming sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mission Viejo CA
 33.61°N 117.63°W (Elev. 830 ft)
Last Update:
12:54 pm PDT Aug 31, 2025
Forecast Valid:
4pm PDT Aug 31, 2025-6pm PDT Sep 7, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation