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Sun Valley Golf Course, CA Weather Forecast
5080 Memorial Dr, La Mesa, CA 91941 (619)466-6102 Golf Course Type: Public Holes: 9Quick Weather Clicks
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Sun Valley Golf Course Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  | | | |  | | | | |
| Partly Cloudy | Mostly Sunny | Mostly Clear | Patchy Fog | Patchy Fog | Patchy Fog | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny |
| Lo: 70°FLo: 21°C | Hi: 92°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 94°FHi: 34°C | Lo: 73°FLo: 23°C | Hi: 96°FHi: 36°C | Lo: 75°FLo: 24°C | Hi: 97°FHi: 36°C | Lo: 75°FLo: 24°C | Hi: 97°FHi: 36°C | Lo: 73°FLo: 23°C | Hi: 96°FHi: 36°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1148 AM PDT Sun Aug 23 2026 
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Sun Valley Golf Course Forecast Discussion
Issued: 1027 AM PDT Sun Aug 23 2026
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...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION, MARINE, BEACHES DISCUSSION...
Today through tomorrow night...
A strong ridge remains in place through this weekend, with temperatures remaining around 5 to 10 degrees above the seasonal average for this time of year. There will be some monsoonal moisture passing through the mid levels over the region by later on which may allow for a rog...