Riverside, OR Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Riverside Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Chance of Showers | Sunny | Patchy Fog | Chance of T-Storm | Chance of T-Storm | Rain Showers | Fog | Mostly Sunny | Partly Cloudy | Partly Cloudy | Increasing Clouds | Chance of Showers |
| Lo: 42°FLo: 6°C | Hi: 71°FHi: 22°C | Lo: 47°FLo: 8°C | Hi: 72°FHi: 22°C | Lo: 44°FLo: 7°C | Hi: 68°FHi: 20°C | Lo: 43°FLo: 6°C | Hi: 74°FHi: 23°C | Hi: 77°FHi: 25°C Lo: 46°FLo: 8°C | Hi: 77°FHi: 25°C Lo: 46°FLo: 8°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C |
| POP: 30% | POP: 30% | POP: 80% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 231 PM MDT Fri Sep 04 2026 

Riverside Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Riverside Weather Map
Riverside Quick Facts
Riverside Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 546 PM MDT Fri Sep 4 2026
Key Messages
- Showers and thunderstorms with local heavy rain today.
- Areas of valley fog late tonight and early Saturday morning.
- Temperatures 10 to 20 degrees below normal today, then around 10 degrees below normal Saturday and Sunday.
- Cool Monday, then warming next week, with an increasing chance of thunderstorms Wednesday afternoon through Friday.
Aviation
/00Z Saturday through Sunday/... Issued 535 PM MDT FRI SEP 4 2026 Mainly VFR. Scattered showers continue overnight. Areas of MVFR/IFR and moun...
Weather World