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City of Yucaipa, CAYucaipa, CA Weather Forecast
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Yucaipa Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  | | | | | | | | | | |
| Sunny | Mostly Clear | Sunny | Clear | Mostly Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear |
| Hi: 90°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 96°FHi: 36°C | Lo: 66°FLo: 19°C | Hi: 101°FHi: 38°C | Lo: 69°FLo: 21°C | Hi: 101°FHi: 38°C | Lo: 70°FLo: 21°C | Hi: 100°FHi: 38°C | Lo: 71°FLo: 22°C | Hi: 98°FHi: 37°C | Lo: 69°FLo: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 227 AM PDT Wed Sep 30 2026 
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Instant definitions for any meteorological term.
Issued: 430 AM PDT Wed Sep 30 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
.SHORT TERM (Today through Friday)... High pressure aloft will strengthen across California through Friday with 500 mb heights rising to near or slightly above the 90th percentile. This will bring a warming trend into the weekend with warming for today ranging from a few degrees near the coast to around 10 degrees for the m...