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Lake Poway Recreation Area, CA Weather Forecast
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Lake Poway Recreation Area Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  |  |  | |  | | | | | | |
| Mostly Sunny | Patchy Fog | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Mostly Clear |
| Hi: 96°FHi: 36°C | Lo: 75°FLo: 24°C | Hi: 96°FHi: 36°C | Lo: 74°FLo: 23°C | Hi: 97°FHi: 36°C | Lo: 73°FLo: 23°C | Hi: 98°FHi: 37°C | Lo: 69°FLo: 21°C | Hi: 88°FHi: 31°C | Lo: 66°FLo: 19°C | Hi: 88°FHi: 31°C | Lo: 65°FLo: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 311 AM PDT Wed Aug 26 2026 
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Issued: 428 AM PDT Wed Aug 26 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
.SHORT TERM (Today through Friday)... High temperatures will be around 10 degrees above average with low temperatures as much as 15 to 20 degrees above average for the lower elevations of the mountains. Through Friday, high temperatures will range from the 80s near the coast to 100 to 110 for the Inland Empire with 112 to 1...