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City of Pleasanton, CAPleasanton, CA Weather Forecast
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Pleasanton Weather Forecast
| REST OF TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY |
 |  |  | |  |  | | | | | |
| Partly Cloudy | Mostly Clear | Patchy Fog | Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1102 AM PDT Thu Sep 17 2026 
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Issued: 1253 PM PDT Thu Sep 17 2026
Key Messages
Updated at 1211 AM PDT Thu Sep 17 2026- Cooler temperatures continue today
- Warming trend Friday into the weekend
Aviation
... (18Z TAFS) Issued at 1046 AM PDT Thu Sep 17 2026
Low clouds will gradually scatter out into the early afternoon hours, giving way to VFR conditions across area terminals. Light winds will increase this afternoon with a moderate onshore breeze developing. The marine layer is anticipated to return this evening. Latest models indicate the marine layer will compress o...