Clatsop County, OR Weather Forecast
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Clatsop County Weather Forecast
| OVERNIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Mostly Cloudy | Chance of Rain | Rain | Chance of T-Storm | Chance of Rain | Mostly Sunny | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Chance of Rain | Chance of Rain |
| Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 55°FHi: 13°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C |
| POP: 50% | POP: 100% | POP: 100% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1128 PM PDT Wed Sep 23 2026 

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Issued: 1053 PM PDT Wed Sep 23 2026
Aviation
...Through 06Z Friday...West to southwest flow aloft will turn more southerly Thursday afternoon as a trough approaches the region. High broken clouds continue to move across the area. VFR conditions are expected through Thursday afternoon through there is a low (15-25%) chance for MVFR conditions in the southern Willamette Valley between 12-17z. Winds turn west to southwesterly at 5-10 kt during the afternoon ahead of an approaching cold front. Conditions are expected to deteriorate dur...
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