Oceanside, OR Weather Forecast
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Oceanside Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Patchy Fog | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy |
| Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C |
| POP: 20% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1128 AM PDT Fri Aug 21 2026 

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Oceanside Forecast Discussion
Issued: 231 PM PDT Fri Aug 21 2026
Discussion
...Tonight through Thursday...An upper level trough over the northeast Pacific will continue to move eastward towards the PacNW through the overnight hours. This will support upper level cloud cover, a decrease in temps and a low chance for precipitation through Saturday.
Hi-res models seem to be struggling with the development and progression of precipitation across the area as the low shifts over the area. The most up to date CAMs continue to show the potential for light precipitation...
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