Muscoy, CA Weather Forecast
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Muscoy Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 80°FHi: 27°C | Lo: 56°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 54°FLo: 12°C | Hi: 78°FHi: 26°C | Lo: 54°FLo: 12°C | Hi: 77°FHi: 25°C | Lo: 54°FLo: 12°C | Hi: 74°FHi: 23°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 53°FLo: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1214 AM PDT Sun Oct 25 2026 

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Issued: 1022 PM PDT Sat Oct 24 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
At 11 AM, the pressure gradient from San Diego to Tonopah, NV was running 5.6 mb offshore. Winds had come down from their peak with only place with wind gusts over 30 mph was directly below the Cajon Pass. Earlier today gusts to 45 mph were observed near the Cajon Pass. Weak offshore flow will continue into Sunday, becoming...
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