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Boone Park Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | | |  |  |  | |  |  | |  |
| Mostly Clear | Patchy Fog | Patchy Fog | Patchy Fog | Partly Cloudy | Chance of Rain | Chance of T-Storm | Chance of Showers | Chance of Showers | Partly Cloudy | Mostly Clear | Mostly Sunny |
| Lo: 63°FLo: 17°C | Hi: 83°FHi: 28°C | Lo: 63°FLo: 17°C | Hi: 80°FHi: 27°C | Lo: 62°FLo: 17°C | Hi: 78°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 70°FHi: 21°C | Lo: 57°FLo: 14°C | Hi: 71°FHi: 22°C | Lo: 58°FLo: 14°C | Hi: 77°FHi: 25°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1123 AM PDT Sun Oct 18 2026 
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Issued: 109 PM PDT Sun Oct 18 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
.SHORT TERM...Today Oct 18 through Tue Oct 20...Pretty big change in temperatures between today and yesterday; 24 hours ago temperatures were 5 to 12 degrees warmer in the coastal and valley areas and 3 to 9 degrees cooler for the mountains and deserts. The difference between this morning`s and yesterday`s low temperatures is even more significant, with lo...