Weather World
Aliso Viejo, CA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Aliso Viejo Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  | | | | | | | | | |
| Patchy Fog | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Clear | Mostly Sunny | Clear | Mostly Sunny | Clear | Mostly Sunny | Clear |
| Hi: 91°FHi: 33°C | Lo: 67°FLo: 19°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C | Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C | Lo: 75°FLo: 24°C | Hi: 98°FHi: 37°C | Lo: 73°FLo: 23°C | Hi: 94°FHi: 34°C | Lo: 73°FLo: 23°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1230 AM PDT Thu Oct 01 2026 
Aliso Viejo Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Aliso Viejo Weather Map
Aliso Viejo Quick Facts
Aliso Viejo Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 223 AM PDT Thu Oct 1 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
.SHORT TERM (Today through Saturday)... High pressure aloft will strengthen across southern California through the weekend with periods of easterly offshore flow for Friday through Sunday, strongest on Friday and Saturday with east winds along and below the coastal slopes of the mountains in Riverside and San Diego Counties...