Old Tree Trail, CA Weather Forecast
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Old Tree Trail Weather Forecast
| REST OF TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Sunny | Partly Cloudy | Patchy Fog | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 76°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 66°FHi: 19°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 66°FLo: 19°C | Hi: 86°FHi: 30°C Lo: 66°FLo: 19°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1102 AM PDT Fri Sep 18 2026 

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Issued: 1124 AM 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
... (18Z TAFS) Issued at 1100 AM PDT Fri Sep 18 2026
Lingering low clouds and fog has dissipated from most of the interior valleys and Central Coast but nw winds still feeding a fresh batch of stratus over SF Bay. Most terminals VFR the rest of today into early evening except for SFO/OAK and HAF. Marine layer compressing with onshore winds so stratus shoul...
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