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Chapman Park, CA Weather Forecast
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Chapman Park Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | | | |  | | | | |  |  |
| Clear | Mostly Sunny | Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Mostly Clear | Partly Cloudy | Mostly Clear | Partly Cloudy | Chance of Showers | Chance of Showers |
| Lo: 74°FLo: 23°C | Hi: 99°FHi: 37°C | Lo: 72°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 70°FLo: 21°C | Hi: 96°FHi: 36°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 68°FLo: 20°C | Hi: 88°FHi: 31°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 PM PDT Mon Oct 05 2026 
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Issued: 433 PM PDT Mon Oct 5 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
Another hot day is in store as high pressure remains over the Southwest. Valley and coastal locations soaring into the 90s again this morning as weak offshore winds hold across the area. Models show better onshore flow (west winds) closer to the coast and far western valleys over the next couple of days. Still thinking temp...