Portland, OR Weather & Growing Conditions
This Afternoon
61°F
Mostly Cloudy
Mostly cloudy. High near 61, with temperatures falling to around 57 in the afternoon. East northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Mostly Cloudy | 1 mph ENE | 6% |
| Tonight | 42°F | Partly Cloudy then Patchy Fog | 1 mph ESE | 5% |
| Wednesday | 58°F | Patchy Fog then Chance Light Rain | 2 mph SSE | 52% |
| Wednesday Night | 49°F | Light Rain | 1 to 6 mph S | 94% |
| Thursday | 59°F | Slight Chance Light Rain then Partly Sunny | 0 to 3 mph SW | 22% |
| Thursday Night | 48°F | Patchy Fog then Chance Light Rain | 2 mph ESE | 53% |
| Friday | 59°F | Chance Light Rain | 3 mph SSE | 53% |
| Friday Night | 48°F | Slight Chance Light Rain | 1 mph SSE | 20% |
| Saturday | 63°F | Partly Sunny then Slight Chance Light Rain | 2 mph SSE | 15% |
| Saturday Night | 51°F | Light Rain Likely | 1 to 9 mph S | 69% |
| Sunday | 60°F | Light Rain Likely | 1 to 7 mph SSW | 69% |
| Sunday Night | 47°F | Patchy Fog | 1 mph NE | 20% |
| Monday | 59°F | Chance Light Rain | 2 mph SE | 44% |
| Monday Night | 49°F | Chance Light Rain | 3 mph SSE | 50% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Portland, OR
Last spring frost
Feb 25
First fall frost
Dec 1
Growing season
280 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 Kgw-Tv, Or (0.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.