Oak Tree Park, CA Weather Forecast
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Oak Tree Park Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny |
| Lo: 66°FLo: 19°C | Hi: 94°FHi: 34°C | Lo: 68°FLo: 20°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 96°FHi: 36°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 94°FHi: 34°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 105 PM PDT Mon Aug 17 2026 

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Issued: 107 PM PDT Mon Aug 17 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
This afternoon...Skies are mostly clear except for a few marine layer low clouds at the beaches. The marine layer remains about 1400 ft deep with a strong inversion. Temperatures are near to about 4 degrees warmer than at this time yesterday in the coastal areas, up to 6 degrees warmer in the inland valleys, 2 to 6 degrees war...
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