Weather WorldPalomar Mountain, CA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Palomar Mountain Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | | | |  |  | | | | | |
| Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Sunny |
| Lo: 54°FLo: 12°C | Hi: 81°FHi: 27°C | Lo: 54°FLo: 12°C | Hi: 84°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 83°FHi: 28°C | Lo: 57°FLo: 14°C | Hi: 79°FHi: 26°C | Lo: 53°FLo: 12°C | Hi: 82°FHi: 28°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1152 AM PDT Thu Sep 17 2026 
Palomar Mountain Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Palomar Mountain Weather Map
Palomar Mountain Quick Facts
Palomar Mountain Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 516 PM PDT Thu Sep 17 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
Today through this weekend...
Current satellite and 500mb RAP analysis this afternoon reveals a potent upper low centered across northern California this afternoon. This feature is inducing low thickness and southwesterly flow aloft, which is fueling the below average temperatures seen the last few days. Highs this afternoon...