Weather WorldColumbia, WA Weather Forecast
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Columbia Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Rain | Chance of Rain | Patchy Fog | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 60°FHi: 16°C | Lo: 50°FLo: 10°C | Hi: 63°FHi: 17°C | Lo: 50°FLo: 10°C | Hi: 63°FHi: 17°C | Lo: 53°FLo: 12°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 66°FHi: 19°C | Lo: 53°FLo: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 AM PDT Tue Sep 29 2026 
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Issued: 330 AM PDT Tue Sep 29 2026
Aviation
... Strong westerly flow aloft today and into Wednesday as a frontal system crosses then exits western Washington. Surface winds reflecting this strong flow aloft with heightened speeds for much of the TAF period. Majority of sites will experience south to southwesterly winds with speeds 10-15 kts. Gusts will enter the picture by 12-15Z this morning with speeds getting up to 30 kts at times. HQM and BLI are running a little hotter than this range with speeds more in the 15-20 kts range a...