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City of Cupertino, CACupertino, CA Weather Forecast
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| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | VETERANS DAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
 |  | |  |  | | | | | |  | |
| Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Rain | Chance of Rain |
| Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 77°FHi: 25°C | Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 81°FHi: 27°C Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 502 AM PST Sun Nov 08 2026 
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Issued: 902 AM PST Sun Nov 8 2026
Key Messages
Updated at 1128 AM PST Sat Nov 7 2026- Slightly warmer and dry weather through the middle of the upcoming week
- Coastal flooding due to high tides through Friday (11/13)
- Hazardous beach conditions through Monday
- Unsettled weather returns by late week
Aviation
... (12Z TAFS) Issued at 338 AM PST Sun Nov 8 2026
Definitely a mixed bag overnight and early this morning as a weak front approaches from the N. Patchy stratus developed early in the night and these patches have be transient with so...