Weather WorldAliso Park, CA Weather Forecast
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Aliso Park Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
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| Partly Cloudy | Patchy Fog | Partly Cloudy | Partly Cloudy | Partly Cloudy | Patchy Fog | Patchy Fog | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 89°FHi: 32°C | Lo: 67°FLo: 19°C | Hi: 89°FHi: 32°C | Lo: 67°FLo: 19°C | Hi: 90°FHi: 32°C | Lo: 68°FLo: 20°C | Hi: 91°FHi: 33°C | Lo: 68°FLo: 20°C | Hi: 91°FHi: 33°C | Lo: 68°FLo: 20°C | Hi: 92°FHi: 33°C | Lo: 68°FLo: 20°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1254 AM PDT Mon Aug 17 2026 
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Aliso Park Forecast Discussion
Issued: 430 AM PDT Mon Aug 17 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
Marine layer low clouds are redeveloping over the coastal areas and western valleys this evening, elsewhere skies are clear. Low clouds will continue to spread around 15-20 mi inland through sunrise, clearing to the coast by mid morning. Water vapor imagery shows a broad upper level high across...