Mission Viejo, California Weather
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Weather Forecast for Mission Viejo, California : Orange County
Issued: 2:03 am PDT Oct 18, 2025 Latitude: 33.6000233 Longitude: -117.6719953 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Sunny on Today Mostly Clear on Tonight Sunny on Sunday Sunny on Monday Morning Fog on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday
High: 84°F Low: 60°F High: 82°F High: 82°F High: 77°F High: 72°F High: 76°F High: 78°F
Low: 59°F Low: 58°F Low: 57°F Low: 56°F Low: 58°F  
Sunny Mostly Clear Sunny Sunny Morning Fog Mostly Cloudy Mostly Sunny Mostly Sunny
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Current Conditions at
SANTA ANA - (KSNA)
57°
Clear
as of 5:53 AM PDST
Rel. Humidity: 71%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CHINO - (KCNO)
48°
Clear
as of 5:53 AM PDST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
FULLERTON - (KFUL)
55°
Clear
as of 5:53 AM PDST
Rel. Humidity: 71%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CAMP PENDLETON - (KNFG)
45°
Clear
as of 5:52 AM PDST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 60. Northwest wind around 5 mph becoming calm.
Sunny on Sunday Sunday... Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm.
Sunny on Monday Monday... Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Patchy Fog on Monday Night Monday Night... Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 58.
Morning Fog on Tuesday Tuesday... Patchy fog before 11am. Otherwise, mostly sunny, with a high near 77.
Increasing Clouds on Tuesday Night Tuesday Night... Increasing clouds, with a low around 57.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, then gradually becoming sunny, with a high near 72.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 56.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 76.
Patchy Fog on Thursday Night Thursday Night... Patchy fog. Otherwise, partly cloudy, with a low around 58.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 78.
Current Radar Image


Sun Almanac for Mission Viejo, California
Sunrise: 06:58 AM
Sunset: 6:13 PM
Civil Sunrise:06:33 AM
Civil Sunset: 6:38 PM
Nautical Sunrise: 06:04 AM
Nautical Sunset: 7:07 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 7:36 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.