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Riverside Park Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY |
 |  |  | | | | | | | | | |
| Partly Cloudy | Clear | Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Mostly Clear | Clear | Clear | Mostly Sunny |
| Hi: 83°FHi: 28°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 58°FLo: 14°C | Hi: 91°FHi: 33°C | Lo: 62°FLo: 17°C | Hi: 95°FHi: 35°C | Hi: 92°FHi: 33°C Lo: 62°FLo: 17°C | Hi: 92°FHi: 33°C Lo: 62°FLo: 17°C | Hi: 88°FHi: 31°C Lo: 58°FLo: 14°C | Hi: 88°FHi: 31°C Lo: 58°FLo: 14°C | Hi: 84°FHi: 29°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 201 AM PDT Mon Sep 21 2026 
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Issued: 1216 PM PDT Sun Sep 20 2026
Key Messages
- Periodically breezy winds and warming temperatures this week, with areas of Moderate HeatRisk in the Valley on Thursday.
- Isolated mountain shower and thunderstorm chances (less than 10%) in the Sierra south of Highway 50 on Monday.
- Potential for unsettled weather and increased onshore winds Friday into the weekend as a system passes to our north.
Discussion
... Today-Monday: Scattered high clouds are being observed over portions of Northern California this afternoon as a deepening offs...