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| Hi: 79°FHi: 26°C | Lo: 62°FLo: 17°C | Hi: 78°FHi: 26°C | Lo: 62°FLo: 17°C | Hi: 76°FHi: 24°C | Lo: 64°FLo: 18°C | Hi: 76°FHi: 24°C | Lo: 63°FLo: 17°C | Hi: 76°FHi: 24°C | Lo: 63°FLo: 17°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1135 PM PDT Fri Sep 18 2026 
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Issued: 931 PM PDT Fri Sep 18 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
Mid-level water vapor satellite imagery shows a trough over the PacNW with a squished ridge just off the OR coast on the heels of the trough. Temperatures warm Saturday as the trough is pushed eastward and the ridge sets up over the West Coast, increasing heights. Even with this pattern change, temperatures will still remai...