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City of Vernonia, ORVernonia, OR Weather Forecast
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Vernonia Weather Forecast
| TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  | |  | |  | | | | |  |
| Clear | Sunny | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Mostly Sunny | Patchy Fog | Mostly Sunny | Mostly Clear | Sunny | Patchy Fog | Chance of Rain |
| Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 501 PM PDT Sun Oct 11 2026 
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Issued: 159 PM PDT Sun Oct 11 2026
Aviation
...Through 18Z Monday...VFR conditions with mostly clear skies expected across NW OR and SW WA through the TAF period due to building high pressure over the region. North/northeasterly winds today, strongest along the coast and central/southern Willamette Valley at 10-13 kt with gusts to 20-25 kt. Elsewhere, winds remain around 4-7 kt. Winds decrease after 02-04z Mon, becoming light and easterly along the coast and variable inland.
Between 07-15z Mon, clear skies and calm winds will suppo...