Portland Weather Forecast
Portland weather: 62°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Climate in Portland month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 46° | 34° | 6,9 in | ★★☆☆☆ |
| February | 49° | 37° | 6,7 in | ★★☆☆☆ |
| March | 55° | 40° | 6,5 in | ★★☆☆☆ |
| April | 61° | 43° | 3,0 in | ★★★★☆ |
| May | 68° | 48° | 2,5 in | ★★★★☆ |
| June | 75° | 54° | 2,0 in | ★★★★☆ |
| July | 84° | 59° | 0,3 in | ★★★★★ |
| August | 84° | 60° | 0,6 in | ★★★★★ |
| September | 76° | 55° | 2,0 in | ★★★★☆ |
| October | 62° | 47° | 5,9 in | ★★★☆☆ |
| November | 52° | 42° | 8,6 in | ★★☆☆☆ |
| December | 49° | 41° | 10,8 in | ★☆☆☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Best time to visit Portland
Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, November and December - expect the least comfortable mix of heat, cold or rain.
Recent extremes in Portland
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Portland compares with nearby places
Annual averages, and the difference against Portland.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Multnomah County | 0 mi | 54°F | about the same | 56 in |
| Columbia River | 8 mi | 54°F | about the same | 54 in |
| Silver Falls State Park | 44 mi | 51°F | 35°F cooler | 79 in |
| Mount Hood | 49 mi | 19°F | 67°F cooler | 72 in |
| Cannon Beach | 67 mi | 52°F | 34°F cooler | 85 in |
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid January, November and December - historically the least comfortable months here.
See the Portland forecast by time range
Portland weather - more answers
Explore Portland
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Portland?
Portland is a city in Oregon. Its coordinates are 45.5152, -122.6784. It lies in North America.
What is the weather like in Portland right now?
It is currently 62°F (17°C) with clear. Humidity is 78% and wind is 7 mph.
When is the best time to visit Portland?
June, July and August offer the most comfortable conditions in Portland, which has a temperate climate. January, November and December are usually the hardest months for outdoor plans.
What time zone is Portland in?
Portland observes America/Los_Angeles (UTC-07:00). The local time is 5:22 AM.
How many people live in Portland?
Portland has a population of approximately 650.000.
What is the nearest airport to Portland?
The closest airports are Portland International Airport (PDX), 7 mi away, Seattle-Tacoma International Airport (SEA), 135 mi away and Vancouver International Airport (YVR), 255 mi away.
What are the top things to do in Portland?
Popular options include Columbia River, Silver Falls State Park, Mount Hood, Cannon Beach, Mount Rainier and Mount Rainier National Park.
What places are in Portland?
Portland covers 2 places in this atlas, including Portland International Airport and ZIP Code 97205.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 25, 2026 at 5:22 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
