Weather World
City of Santa Ana, CaliforniaSanta Ana, CA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Santa Ana Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  | |  | |  |  |  |  | |  | |
| Sunny | Mostly Clear | Mostly Sunny | Patchy Fog | Patchy Fog | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Mostly Clear |
| Hi: 87°FHi: 31°C | Lo: 63°FLo: 17°C | Hi: 84°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 76°FHi: 24°C | Lo: 58°FLo: 14°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1250 AM PDT Sun Oct 18 2026 
Santa Ana Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Santa Ana Weather Map
Santa Ana Quick Facts
Santa Ana Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1013 AM PDT Sun Oct 18 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
Santa Ana winds are finally diminishing this evening as easterly flow aloft and the offshore surface pressure gradient both continue to weaken. Easterly gusts 20-35 mph will continue along coastal slopes and through east-to-west passes through this morning. Return of weak onshore flow will allow for some cooling today, espe...