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City of Monte Sereno, CAMonte Sereno, CA Weather Forecast
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Monte Sereno Weather Forecast
| REST OF TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
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| Mostly Cloudy | Partly Cloudy | Partly Cloudy | Clear | Sunny | Clear | Clear | Clear | Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear |
| Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 90°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 90°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 87°FHi: 31°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°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 Sun Sep 27 2026 
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Issued: 1215 PM PDT Sun Sep 27 2026
Key Messages
Updated at 1214 PM PDT Sun Sep 27 2026- Cool conditions today
- Warming trend for the rest of the week
Aviation
... (18Z TAFS) Issued at 1128 AM PDT Sun Sep 27 2026
High clouds continue to stream in across the region revealing an dissipating marine layer beneath. While stratus persist along the coast, inland locations are rapidly scattering out. An approaching trough will deepen the marine layer tonight into Monday with a return of low clouds expected once again tonight into Monday morning...