Sun Valley, CA Weather Forecast
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Sun Valley Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Sunny | Clear | Sunny | Chance of Showers | Chance of T-Storm | Partly Cloudy | Sunny | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Chance of Showers |
| Hi: 87°FHi: 31°C | Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C | Lo: 63°FLo: 17°C | Hi: 86°FHi: 30°C | Lo: 63°FLo: 17°C | Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 93°FHi: 34°C | Lo: 70°FLo: 21°C |
| POP: 20% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 355 AM PDT Fri Sep 04 2026 

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Issued: 947 AM PDT Fri Sep 4 2026
Aviation
...04/1646Z.
At 1630Z at KLAX, the marine layer was 2600 feet deep. The top of the inversion was 4700 feet with a temperature of 17 degrees Celsius.
For 18Z TAF package, high confidence in CAVU conditions for valley and desert TAFs. For coastal sites, moderate confidence 18Z TAFs due to uncertainties with development of marine layer clouds.
KLAX...Moderate confidence in 18Z TAF. Timing of return of MVFR CIGs could be +/- 3 hours of current 11Z forecast. There is a 30% chance that CIG/VSBY r...
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