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Foothills Park Weather Forecast
| REST OF TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Sunny | Mostly Clear | Sunny | Partly Cloudy | Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear |
| Hi: 77°FHi: 25°C | Lo: 53°FLo: 12°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 87°FHi: 31°C | Lo: 56°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 66°FHi: 19°C | Hi: 79°FHi: 26°C Lo: 50°FLo: 10°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 302 PM PDT Tue Sep 22 2026 
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Issued: 447 PM PDT Tue Sep 22 2026
Key Messages
Updated at 1232 PM PDT Tue Sep 22 2026- Warming trend continues through Thursday
- Cooler conditions Friday into the weekend
Aviation
... (00Z TAFS) Issued at 412 PM PDT Tue Sep 22 2026
VFR conditions are expected to prevail through the forecast period for majority of the terminals with low confidence of MVFR/IFR ceilings possible for KAPC and KOAK in the overnight hours as the marine layer compresses somewhat and becomes less organized than the previous couple of nights.
Vicinity of SFO......