White Cap Rapids, WA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
White Cap Rapids Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY | THURSDAY | FRIDAY |
| Mostly Clear | Partly Cloudy | Mostly Clear | Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy |
| Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C Lo: 53°FLo: 12°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1045 PM PDT Fri Sep 18 2026 

White Cap Rapids Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
White Cap Rapids Weather Map
White Cap Rapids Quick Facts
White Cap Rapids Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1047 PM PDT Fri Sep 18 2026
Key Messages
- Warm temperatures through Wednesday with afternoon highs in the mid 70s to low 80s.
- Changes arrive late week with temperatures cooling slowly and increasing. Small chances for light showers late week into the weekend.
Discussion
...
Saturday-Sunday: The Inland NW will experience a mild and dry weekend as a weak upper-level ridge passes through the region. Temperatures on Saturday will not deviate much from Friday with afternoon highs in the 70s to around 80F. Highs will warm a few more ...
Weather World