Portola Hills, California Weather
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Click for Air Quality Alert for Portola Hills, California
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Weather Forecast for Portola Hills, California : Orange County
Issued: 6:24 pm PDT Jul 3, 2025 Latitude: 33.6791872 Longitude: -117.6311605 View on Google Maps

MouseOver for Detail Forecast
Overnight Independence Day Saturday Sunday Monday Tuesday Wednesday Thursday
Patchy Fog on Overnight Morning Fog on Independence Day Sunny on Saturday Morning Fog on Sunday Mostly Sunny on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday
Low: 56°F High: 82°F High: 85°F High: 85°F High: 85°F High: 88°F High: 91°F High: 90°F
Low: 58°F Low: 58°F Low: 59°F Low: 61°F Low: 65°F Low: 66°F  
Patchy Fog Morning Fog Sunny Morning Fog Mostly Sunny Sunny Sunny Sunny
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Current Conditions at
SANTA ANA - (KSNA)
66°
Cloudy
as of 1:53 AM PDST
Rel. Humidity: 72%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: MVFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 1700ft
Current Conditions at
CHINO - (KCNO)
61°
Clear
as of 1:53 AM PDST
Rel. Humidity: 82%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
RIVERSIDE - (KRAL)
63°
Clear
as of 1:53 AM PDST
Rel. Humidity: 82%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
3 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
FULLERTON - (KFUL)
64°
Cloudy
as of 1:53 AM PDST
Rel. Humidity: 77%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1600ft
Patchy Fog on Overnight Overnight... Patchy fog. Otherwise, mostly cloudy, with a low around 56. Calm wind.
Morning Fog on Independence Day Independence Day... Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Patchy Fog on Friday Night Friday Night... Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm.
Sunny on Saturday Saturday... Sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Patchy Fog on Saturday Night Saturday Night... Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.
Morning Fog on Sunday Sunday... Patchy fog before 11am. Otherwise, mostly sunny, with a high near 85.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 59.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 85.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 61.
Sunny on Tuesday Tuesday... Sunny, with a high near 88.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 65.
Sunny on Wednesday Wednesday... Sunny, with a high near 91.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 66.
Sunny on Thursday Thursday... Sunny, with a high near 90.
Current Radar Image


Sun Almanac for Portola Hills, California
Sunrise: 05:46 AM
Sunset: 8:05 PM
Civil Sunrise:05:17 AM
Civil Sunset: 8:33 PM
Nautical Sunrise: 04:41 AM
Nautical Sunset: 9:09 PM
Astro Sunrise: 04:03 AM
Astro Sunset: 9:47 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.