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Blue Jay Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | | | |  |  | | | |  | |
| Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Chance of Showers | Mostly Clear |
| Lo: 62°FLo: 17°C | Lo: 61°FLo: 16°C | Lo: 62°FLo: 17°C | Lo: 62°FLo: 17°C | ||||||||
| POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 AM PDT Thu Aug 20 2026 
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Issued: 429 AM PDT Thu Aug 20 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
.SHORT TERM (Today through Saturday)... Monsoonal moisture will increase for today into Friday, then decrease during the weekend. There is a slight chance of afternoon showers and thunderstorms for the mountains and deserts for today and Friday with decreasing chances on Saturday.
High temperatu...