Cornelius, OR Weather & Growing Conditions
Overnight
58°F
Areas Of Smoke
Areas of smoke. Clear. Low around 58, with temperatures rising to around 60 overnight. Northwest wind around 8 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Areas Of Smoke | 8 mph NW | 0% |
| Tuesday | 94°F | Areas Of Smoke | 8 mph NNE | 0% |
| Tuesday Night | 62°F | Smoke | 5 to 8 mph NNW | 0% |
| Wednesday | 98°F | Areas Of Smoke | 5 mph N | 0% |
| Wednesday Night | 62°F | Clear | 0 to 5 mph NNW | 0% |
| Thursday | 98°F | Sunny | 2 mph N | 0% |
| Thursday Night | 60°F | Clear | 0 to 6 mph NNW | 0% |
| Friday | 93°F | Sunny | 0 to 8 mph N | 0% |
| Friday Night | 58°F | Clear | 1 to 8 mph NNW | 0% |
| Saturday | 87°F | Sunny | 1 to 10 mph NNW | 0% |
| Saturday Night | 54°F | Mostly Clear | 1 to 10 mph NNW | 0% |
| Sunday | 81°F | Sunny | 1 to 9 mph NNW | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 to 9 mph NNW | 0% |
| Monday | 81°F | Sunny | 0 to 8 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cornelius, OR
Last spring frost
Apr 16
First fall frost
Oct 26
Growing season
192 days
Hardiness zone
8b
Explore more for Cornelius, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Forest Grove, Or (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.