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Riverside Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Chance of T-Storm | Chance of Showers | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy |
| Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Hi: 71°FHi: 22°C Lo: 59°FLo: 15°C |
| POP: 50% | POP: 50% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 402 AM EDT Sat Sep 05 2026 
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Issued: 229 AM EDT Sat Sep 5 2026
Key Messages
- A mainly dry day on tap except along and east of the I- 495 corridor where there is a chance for afternoon showers and perhaps a thunderstorm or two.
- Fall-like feel for Sunday, then more seasonable for Labor Day. A gradual warm-up throughout the week with continued dry weather through at least Wednesday or Thursday.
- Elevated risk for dangerous rip currents through the Holiday Weekend, especially Sunday into Labor Day.
Discussion
... KEY MESSAGE 1... A mainly dry day on tap except along...