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MacArthur Park Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Sunny | Mostly Clear | Mostly Sunny | Clear |
| Hi: 92°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 95°FHi: 35°C | Lo: 66°FLo: 19°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 86°FHi: 30°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 62°FLo: 17°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1142 PM PDT Fri Sep 25 2026 
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Issued: 1030 PM PDT Fri Sep 25 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
Mid-level water vapor imagery shows a deep low over the PacNW and Hurricane Odalys strengthening to the southwest of Baja. Weak ridging remains over SoCal with drier air aloft, allowing temperatures to warm both today and tomorrow to around 5-8 degrees above normal. A trough off the backside of the larger low to the north w...