Weather WorldMountain Trail, CA Weather Forecast
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Mountain Trail Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | FRIDAY |
 |  |  |  | | | | | | | |
| Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy |
| Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 76°FHi: 24°C | Lo: 56°FLo: 13°C | Hi: 76°FHi: 24°C | Hi: 87°FHi: 31°C Lo: 56°FLo: 13°C | Hi: 87°FHi: 31°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 65°FLo: 18°C | Hi: 86°FHi: 30°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 902 PM PDT Fri Sep 18 2026 
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Issued: 911 PM PDT Fri Sep 18 2026
Key Messages
Updated at 1057 PM PDT Thu Sep 17 2026- Warming trend through Saturday
- Brief cooldown Sunday
- Notable warming trend next week
Aviation
... (00Z TAFS) Issued at 421 PM PDT Fri Sep 18 2026
Some MVFR ceilings linger at the immediate coast but most of the region enjoys VFR ceilings and a gentle to moderate onshore wind through the evening hours. A compressing marine layer should keep stratus within the inland valleys through the night with generally low-end MVFR-LIFR ceilings expected. Stratu...