Portland, OR Weather & Growing Conditions
Overnight
59°F
Areas Of Smoke
Areas of smoke. Clear. Low around 59, with temperatures rising to around 61 overnight. Northwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Areas Of Smoke | 6 mph NW | 0% |
| Tuesday | 97°F | Areas Of Smoke | 6 to 9 mph NNE | 0% |
| Tuesday Night | 64°F | Smoke | 3 to 8 mph NNW | 0% |
| Wednesday | 99°F | Areas Of Smoke | 3 to 7 mph NNW | 0% |
| Wednesday Night | 66°F | Clear | 2 to 7 mph NNW | 0% |
| Thursday | 98°F | Sunny | 1 to 6 mph NNW | 0% |
| Thursday Night | 64°F | Clear | 2 to 7 mph NNW | 0% |
| Friday | 93°F | Sunny | 2 to 9 mph NNW | 0% |
| Friday Night | 62°F | Mostly Clear | 3 to 9 mph NNW | 0% |
| Saturday | 88°F | Sunny | 3 to 10 mph NNW | 0% |
| Saturday Night | 59°F | Mostly Clear | 3 to 10 mph NW | 0% |
| Sunday | 82°F | Sunny | 3 to 9 mph NW | 0% |
| Sunday Night | 57°F | Mostly Clear | 2 to 9 mph NW | 0% |
| Monday | 82°F | Sunny | 2 to 9 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Portland, OR
Last spring frost
Mar 13
First fall frost
Nov 19
Growing season
247 days
Hardiness zone
9a
Explore more for Portland, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Portland Intl Ap, Or (1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.