Vernonia, OR Weather & Growing Conditions
Today
91°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 91. North northeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Areas Of Smoke | 3 mph NNE | 0% |
| Tonight | 58°F | Smoke | 3 mph NNW | 0% |
| Wednesday | 96°F | Areas Of Smoke | 2 mph NNW | 0% |
| Wednesday Night | 57°F | Clear | 2 mph NNW | 0% |
| Thursday | 93°F | Sunny | 0 to 3 mph NNW | 0% |
| Thursday Night | 54°F | Mostly Clear | 3 mph NW | 0% |
| Friday | 87°F | Sunny | 1 to 5 mph NW | 0% |
| Friday Night | 53°F | Mostly Clear | 5 mph NW | 0% |
| Saturday | 81°F | Sunny | 2 to 6 mph NW | 0% |
| Saturday Night | 50°F | Mostly Clear | 6 mph NW | 0% |
| Sunday | 75°F | Mostly Sunny | 5 mph NW | 0% |
| Sunday Night | 49°F | Mostly Clear | 5 mph NW | 0% |
| Monday | 75°F | Mostly Sunny | 5 mph NW | 0% |
| Monday Night | 49°F | Mostly Clear | 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Vernonia, OR
Last spring frost
May 8
First fall frost
Oct 1
Growing season
144 days
Hardiness zone
8b
Explore more for Vernonia, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Vernonia #2, Or (10 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.