Portola Hills, California Weather
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Weather Forecast for Portola Hills, California : Orange County
Issued: 1:00 pm PDT Sep 15, 2025 Latitude: 33.6791872 Longitude: -117.6311605 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Tonight Sunny on Tuesday 20% chance of thunderstorms on Wednesday 60% chance of thunderstorms on Thursday 10% chance of thunderstorms on Friday Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday
Low: 65°F High: 91°F High: 87°F High: 83°F High: 84°F High: 85°F High: 87°F High: 87°F
Low: 66°F Low: 65°F Low: 65°F Low: 64°F Low: 64°F Low: 64°F  
Mostly Clear Sunny Thunderstorms Thunderstorms Thunderstorms Sunny Mostly Sunny Sunny
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Current Conditions at
SANTA ANA - (KSNA)
68°
Clear
Mist
as of 10:53 PM PDST
Rel. Humidity: 88%
Dew Point: 64°F
Visibility: 5 Miles
Pressure: 29.89 in.
Flight Rule: MVFR
Wind Data
5 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
CHINO - (KCNO)
70°
Clear
as of 10:53 PM PDST
Rel. Humidity: 73%
Dew Point: 61°F
Visibility: 8 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
RIVERSIDE - (KRAL)
75°
Clear
as of 10:53 PM PDST
Rel. Humidity: 53%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
FULLERTON - (KFUL)
70°
Clear
Haze
as of 10:53 PM PDST
Rel. Humidity: 83%
Dew Point: 64°F
Visibility: 6 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 65. Southeast wind around 5 mph becoming calm.
Sunny on Tuesday Tuesday... Sunny, with a high near 91. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 66. West wind around 5 mph becoming calm.
20% chance of thunderstorms Wednesday Wednesday... A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 20%.
40% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Northwest wind around 5 mph becoming calm. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
20% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
10% chance of thunderstorms Friday Friday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 64.
Sunny on Saturday Saturday... Sunny, with a high near 85.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 64.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 87.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 64.
Sunny on Monday Monday... Sunny, with a high near 87.
Current Radar Image


Sun Almanac for Portola Hills, California
Sunrise: 06:35 AM
Sunset: 6:55 PM
Civil Sunrise:06:10 AM
Civil Sunset: 7:20 PM
Nautical Sunrise: 05:41 AM
Nautical Sunset: 7:49 PM
Astro Sunrise: 05:11 AM
Astro Sunset: 8:19 PM
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