Spring Valley, CA Weather Forecast
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Spring Valley Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Patchy Fog | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Partly Cloudy | Chance of Showers | Partly Cloudy | Chance of Showers |
| Lo: 62°FLo: 17°C | Hi: 88°FHi: 31°C | Lo: 69°FLo: 21°C | Hi: 88°FHi: 31°C | Lo: 68°FLo: 20°C | Hi: 90°FHi: 32°C | Lo: 68°FLo: 20°C | Hi: 92°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 93°FHi: 34°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C |
| POP: 20% | POP: 20% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1235 PM PDT Fri Sep 04 2026 

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Issued: 1138 AM PDT Fri Sep 4 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
Hurricane Marie remains on a track toward the west-northwest with the center to remain well to the southwest of the area through the holiday weekend. The current NHC forecast has Marie weakening to a tropical storm on Sunday. The main impacts expected for Southern California over the weekend are increased surf, coastal flooding, and periods of light to loc...
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