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City of Los Altos, CALos Altos, CA Weather Forecast
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Los Altos Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 66°FHi: 19°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C | Hi: 70°FHi: 21°C Lo: 53°FLo: 12°C | Hi: 70°FHi: 21°C Lo: 53°FLo: 12°C | Lo: 53°FLo: 12°C |
| POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 602 AM PDT Tue Oct 20 2026 
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Issued: 433 AM PDT Tue Oct 20 2026
Key Messages
Updated at 1200 PM PDT Mon Oct 19 2026- Cooling trend continues through the end of the week
- Beneficial light rain showers expected mid-week
- Thunderstorms possible mid-week across southern Central Coast
Aviation
... (12Z TAFS) Issued at 419 AM PDT Tue Oct 20 2026
VFR through the TAF period. High clouds remain over the area throughout today with ceilings gradually lowering tomorrow as showers approach. Winds are light this morning with moderate onshore winds expected during the afternoon a...