Weather WorldGrady Trammel Park, CA Weather Forecast
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Grady Trammel Park Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
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| Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm |
| Lo: 72°FLo: 22°C | Hi: 105°FHi: 41°C | Lo: 73°FLo: 23°C | Hi: 106°FHi: 41°C | Lo: 74°FLo: 23°C | Hi: 105°FHi: 41°C | Lo: 73°FLo: 23°C | Hi: 101°FHi: 38°C | Lo: 72°FLo: 22°C | Hi: 101°FHi: 38°C | Lo: 71°FLo: 22°C | Hi: 100°FHi: 38°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1151 AM PDT Tue Aug 18 2026 
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Issued: 145 PM PDT Tue Aug 18 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
This afternoon, scattered high clouds are streaming in from the Pacific, caught in the broader clockwise high pressure flow across much of the western US. Temperatures are running generally 1 to 4 degrees F warmer than yesterday with more 100 degree readings expected across the Inland Empire and more 90 degree readings through...