Riverside, WA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Riverside Weather Forecast
| REST OF TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Mostly Sunny | Mostly Cloudy | Mostly Cloudy | Mostly Clear | Chance of Showers | Chance of Showers | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Mostly Sunny |
| Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 66°FHi: 19°C | Lo: 40°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 36°FLo: 2°C | Hi: 56°FHi: 13°C Lo: 36°FLo: 2°C | Hi: 56°FHi: 13°C Lo: 36°FLo: 2°C | Hi: 56°FHi: 13°C Lo: 36°FLo: 2°C | Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C |
| POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1149 AM PDT Thu Oct 08 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: 243 PM PDT Thu Oct 8 2026
Key Messages
- An incoming weather system on Friday will bring cooler temperatures, gusty winds, and chances for rain.
- Cooler temperatures this weekend, with overnight lows reaching freezing or below in many areas.
Discussion
... This evening and tonight: Weather will be relatively quiet for one a little longer, as high pressure begins to yield to a strong system approaching from the west. Sunshine has been filtered through high clouds today. Those clouds will begin to thicken from the west, especial...
Weather World