Portland, OR Weather & Growing Conditions
Today
54°F
Patchy Fog then Light Rain Likely
Patchy fog between 8am and 9am, then rain likely. Mostly cloudy. High near 54, with temperatures falling to around 52 in the afternoon. South southeast wind around 2 mph. Chance of precipitation is 60%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 54°F | Patchy Fog then Light Rain Likely | 2 mph SSE | 64% |
| Tonight | 47°F | Light Rain | 2 to 6 mph SSW | 89% |
| Thursday | 56°F | Mostly Sunny | 0 to 3 mph SSW | 6% |
| Thursday Night | 45°F | Mostly Cloudy then Slight Chance Light Rain | 2 mph ESE | 19% |
| Friday | 55°F | Chance Light Rain | 2 mph SSE | 31% |
| Friday Night | 47°F | Chance Light Rain then Mostly Cloudy | 2 mph ESE | 31% |
| Saturday | 60°F | Partly Sunny then Slight Chance Light Rain | 2 mph SE | 20% |
| Saturday Night | 50°F | Light Rain | 2 to 13 mph S | 76% |
| Sunday | 55°F | Chance Light Rain | 1 to 10 mph SSW | 43% |
| Sunday Night | 45°F | Slight Chance Light Rain then Mostly Cloudy | 2 mph NE | 15% |
| Monday | 54°F | Chance Light Rain | 2 mph ESE | 32% |
| Monday Night | 47°F | Chance Light Rain | 1 to 6 mph SSE | 39% |
| Tuesday | 55°F | Chance Light Rain | 1 to 6 mph S | 40% |
| Tuesday Night | 48°F | Chance Light Rain | 1 to 5 mph SSE | 42% |
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
8b
Explore more for Portland, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Portland Kgw-Tv, Or (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.