Weather WorldFoothill Ranch, CA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Foothill Ranch Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  | | | | | | | | |  |
| Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy |
| Lo: 55°FLo: 13°C | Hi: 76°FHi: 24°C | Lo: 57°FLo: 14°C | Hi: 80°FHi: 27°C | Lo: 58°FLo: 14°C | Hi: 84°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 88°FHi: 31°C | Lo: 63°FLo: 17°C | Hi: 87°FHi: 31°C | Lo: 64°FLo: 18°C | Hi: 84°FHi: 29°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1039 AM PST Tue Nov 03 2026 
Foothill Ranch Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Foothill Ranch Weather Map
Foothill Ranch Quick Facts
Foothill Ranch Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 922 PM PST Tue Nov 3 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
Current visible satellite shows high clouds streaming in from the north while low clouds 30 miles off the coastline continue to scatter out. The thermal ridge axis remains over SoCal today, but high clouds will inhibit some of the afternoon peak heating. As such, today will mimic Monday with highs generally in the low to mi...