Weather WorldWest Street Basin, CA Weather Forecast
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West Street Basin Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
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| Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Partly Cloudy | Partly Cloudy |
| Hi: 89°FHi: 32°C | Lo: 66°FLo: 19°C | Hi: 83°FHi: 28°C | Lo: 63°FLo: 17°C | Hi: 87°FHi: 31°C | Lo: 64°FLo: 18°C | Hi: 88°FHi: 31°C | Lo: 64°FLo: 18°C | Hi: 88°FHi: 31°C | Lo: 65°FLo: 18°C | Hi: 90°FHi: 32°C | Lo: 67°FLo: 19°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1207 AM PDT Sun Aug 30 2026 
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Issued: 1118 PM PDT Sat Aug 29 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
While high temperatures today will remain 3 to 7, locally up to 12 degrees above average they`re forecast to be 3 to 5 degrees cooler than yesterday. That cooling trend will continue through Tuesday or Wednesday for most locations. By Wednesday, high temperatures are expected to be 3 to 7 degrees below average for this time...