Main Beach Park, CA Weather Forecast
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Main Beach Park Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Partly Cloudy | Patchy Fog | Partly Cloudy | Mostly Clear | Patchy Fog | Mostly Clear | Patchy Fog | Mostly Clear | Partly Cloudy | Mostly Clear | Partly Cloudy | Partly Cloudy |
| Hi: 79°FHi: 26°C | Lo: 68°FLo: 20°C | Hi: 80°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 80°FHi: 27°C | Lo: 70°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 70°FLo: 21°C | Hi: 83°FHi: 28°C | Lo: 71°FLo: 22°C | Hi: 83°FHi: 28°C | Lo: 70°FLo: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1207 AM PDT Fri Aug 21 2026 

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Main Beach Park Forecast Discussion
Issued: 232 AM PDT Fri Aug 21 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
.SHORT TERM (Today through Sunday)... A Mesoscale Convective Vortex that was initiated by thunderstorms over Arizona last night is now tracking toward the northwest and north in the southerly flow between the low pressure system off the West Coast and high pressure over the Rockies. Showers have developed over portions of w...
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