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Foothill Ranch Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | VETERANS DAY |
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| Clear | Sunny | Clear | Sunny | Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Clear | Sunny |
| Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 63°FLo: 17°C | Hi: 88°FHi: 31°C | Lo: 63°FLo: 17°C | Hi: 89°FHi: 32°C | Lo: 64°FLo: 18°C | Hi: 86°FHi: 30°C | Lo: 62°FLo: 17°C | Hi: 84°FHi: 29°C | Lo: 62°FLo: 17°C | Hi: 83°FHi: 28°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1100 AM PST Thu Nov 05 2026 
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Issued: 412 PM PST Thu Nov 5 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
There haven`t been many significant changes to the forecast in the past 24 hours. Mid-level water vapor places a high over the Rockies with a shortwave trough over Nevada, and weak riding building in behind the trough over California. Offshore flow was observed this morning through typical windy passes, but remains light el...