Portland Weather Forecast
Portland weather: 63°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Portland is a city in Oregon. Portland is known for Food carts, bookstores and forests. It has a population of about 650.000.
Right now it is 63°F (17°C) in Portland with clear. It feels like 62°F. Today runs from 54°F to 73°F. Chance of precipitation is 0%. Sightseeing conditions score 9.7/10 - excellent - go now.
The best time to visit Portland is June, July and August. The climate is temperate. January, November and December tend to be the least comfortable months. July is the warmest month with average highs near 84°F, while January is the coldest with lows near 34°F.
The closest major airport is Portland International Airport (PDX), about 7 mi away. Nearby highlights include Columbia River, Silver Falls State Park, Mount Hood and Cannon Beach.
In plain terms. Today is slightly cooler than average for September. The forecast high of 73°F is 2.9°F below the 76°F typical for this month. The best window to be outside is roughly 1 PM to 4 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Portland today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Portland right now
Source: Open-Meteo. Updated 10:24 PM, Sep 20 local time.
See the Portland forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Portland
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sun, Sep 20 | 🌥️ Fog | 73° / 54° | 0% | 7 mph | 5 |
| Mon, Sep 21 | ☁️ Overcast | 71° / 55° | 0% | 6 mph | 5 |
| Tue, Sep 22 | 🌦️ Drizzle | 73° / 55° | 1% · 0,0 in | 10 mph | 5 |
| Wed, Sep 23 | ☁️ Overcast | 74° / 53° | 0% | 5 mph | 5 |
| Thu, Sep 24 | 🌧️ Showers | 64° / 56° | 46% · 0,7 in | 6 mph | 2 |
| Fri, Sep 25 | 🌦️ Light drizzle | 66° / 52° | 53% · 0,0 in | 5 mph | 4 |
| Sat, Sep 26 | ☁️ Overcast | 71° / 51° | 5% | 7 mph | 4 |
| Sun, Sep 27 | ☁️ Overcast | 73° / 54° | 10% | 3 mph | 5 |
| Mon, Sep 28 | ☁️ Overcast | 72° / 54° | 8% | 4 mph | 4 |
| Tue, Sep 29 | ⛅ Partly cloudy | 73° / 55° | 7% | 7 mph | 5 |
| Wed, Sep 30 | ☀️ Clear sky | 72° / 49° | 11% | 9 mph | 5 |
| Thu, Oct 1 | 🌤️ Mainly clear | 74° / 49° | 14% | 9 mph | 5 |
| Fri, Oct 2 | ☁️ Overcast | 69° / 50° | 13% | 6 mph | 4 |
| Sat, Oct 3 | ☀️ Clear sky | 73° / 48° | 10% | 8 mph | 5 |
| Sun, Oct 4 | ⛅ Partly cloudy | 74° / 50° | 10% | 6 mph | 4 |
| Mon, Oct 5 | ☁️ Overcast | 58° / 52° | 23% | 4 mph | 1 |
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 | 83° | 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).
Weather map for Portland
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Portland
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
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.
Weather by airport in Portland
1 airports mapped in this atlas
Weather by zip / postal code in Portland
1 zip and postal codes mapped in this atlas
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 63°F (17°C) with clear. Humidity is 71% and wind is 5 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 10:24 PM.
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 September 20, 2026 at 10:24 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
