Upland Junior High School, CA Weather Forecast
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Upland Junior High School Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Sunny | Clear | Sunny | Mostly Clear | Partly Cloudy | Patchy Fog | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Mostly Clear |
| Hi: 86°FHi: 30°C | Lo: 59°FLo: 15°C | Hi: 84°FHi: 29°C | Lo: 58°FLo: 14°C | Hi: 80°FHi: 27°C | Lo: 58°FLo: 14°C | Hi: 76°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 68°FHi: 20°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1250 AM PDT Sun Oct 18 2026 

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Issued: 1013 AM PDT Sun Oct 18 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
Santa Ana winds are finally diminishing this evening as easterly flow aloft and the offshore surface pressure gradient both continue to weaken. Easterly gusts 20-35 mph will continue along coastal slopes and through east-to-west passes through this morning. Return of weak onshore flow will allow for some cooling today, espe...
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