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John Oconnell High School Weather Forecast
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| Hi: 66°FHi: 19°C | Lo: 59°FLo: 15°C | Hi: 66°FHi: 19°C | Lo: 60°FLo: 16°C | Hi: 66°FHi: 19°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Hi: 60°FHi: 16°C Lo: 55°FLo: 13°C | Hi: 60°FHi: 16°C Lo: 55°FLo: 13°C | Hi: 60°FHi: 16°C Lo: 55°FLo: 13°C | Hi: 60°FHi: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 602 AM PDT Tue Aug 25 2026 
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Issued: 456 AM PDT Tue Aug 25 2026
Key Messages
Updated at 1202 AM PDT Tue Aug 25 2026- Temperatures near to slightly below seasonal averages persist within the marine layer through Thursday
- Seasonably warm and dry conditions continue above 1000 feet
- Pattern change Friday into the weekend brings cooler temperatures and moderate potential for tropical moisture
Aviation
... (12Z TAFS) Issued at 431 AM PDT Tue Aug 25 2026
A robust marine layer was measured at ~1800ft with the KOAK 12z balloon with primarily IFR/LIFR conditions with the e...