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City of Gaston, OregonGaston, OR Weather Forecast
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Gaston Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  | |  |  |  | |  |  |  | | |
| Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of Rain | Rain | Chance of T-Storm | Partly Cloudy | Patchy Fog | Mostly Cloudy | Mostly Cloudy | Patchy Fog | Patchy Fog |
| Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C |
| POP: 40% | POP: 100% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 501 PM PDT Tue Sep 22 2026 
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Issued: 454 PM PDT Tue Sep 22 2026
Aviation
...Through 00Z Thursday...West to southwest flow aloft will persist through Wednesday. Predominately VFR conditions expected through this evening. Marine stratus likely returns to the coast with chances for MVFR to IFR CIGs increasing over 50% by 8-10z Wed. Probs for MVFR stratus inland late tonight into tomorrow morning have decreased slightly, but will maintain a few hours of MVFR CIGs at inland terminals between 12-18z Wed. A decaying front will approach the coast early Wed morning, w...