Portland 天気 予報
Portland weather: 11°C, 晴れ時々曇り. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.
14-day forecast for Portland
最高 / 最低; 降水; UV
| 日 | 状況 | 最高 / 最低 | 降水 | 風 | UV |
|---|---|---|---|---|---|
| 日, 10月 25 | 🌧️ 雨 | 11° / 8° | 93% · 16 mm | 18 km/h | 2 |
| 月, 10月 26 | 🌦️ 弱い雨 | 13° / 9° | 59% · 5 mm | 15 km/h | 2 |
| 火, 10月 27 | 🌦️ 霧雨 | 14° / 9° | 43% · 1 mm | 16 km/h | 3 |
| 水, 10月 28 | 🌦️ 霧雨 | 14° / 9° | 88% · 8 mm | 18 km/h | 3 |
| 木, 10月 29 | ☁️ 曇り | 12° / 8° | 63% | 6 km/h | 2 |
| 金, 10月 30 | ☁️ 曇り | 15° / 8° | 43% | 9 km/h | 3 |
| 土, 10月 31 | 🌦️ Light drizzle | 15° / 7° | 7% · 0 mm | 4 km/h | 3 |
| 日, 11月 1 | 🌦️ Light drizzle | 12° / 8° | 5% · 0 mm | 10 km/h | 2 |
| 月, 11月 2 | ☁️ 曇り | 14° / 5° | 8% | 13 km/h | 3 |
| 火, 11月 3 | 🌦️ Light drizzle | 9° / 8° | 16% · 3 mm | 19 km/h | 1 |
| 水, 11月 4 | 🌦️ 霧雨 | 10° / 8° | 31% · 4 mm | 19 km/h | 0 |
| 木, 11月 5 | 🌦️ 霧雨 | 18° / 10° | 43% · 4 mm | 11 km/h | 3 |
| 金, 11月 6 | 🌦️ Light showers | 13° / 10° | 68% · 9 mm | 14 km/h | 1 |
| 土, 11月 7 | 🌦️ Light drizzle | 17° / 11° | 83% · 1 mm | 15 km/h | 2 |
The two-week trend
Steady. The second week averages within a degree of the first, so no big change is signalled.
The window averages 13°C against a 10月 normal of 17°C - 4°C below.
雨fall over the next 7 days is closeからnormal for 10月 (30 mm against a typical 35 mm).
What this means for Portland
Today is cooler than average for 10月. The forecast high of 11°C is 5.9°C below the 17°C typical for this month.
A 93% chance means rain is expected over most of the area. Plan indoor alternatives. Around 16 mm is forecast, which is enoughからsoak trails and slow traffic.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in 6月から8月.
The gap between the warmest and coldest month averages 17°C.
Whatからpack, whatからskip
- A packable rain shell - 6 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid 1月, 11月 and 12月 - historically the least comfortable months here.
時間帯別のPortland 予報を見る
Portland weather - more answers
Explore Portland
Every topic we hold for this place, and the same topic for the places around it.
天気 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 北アメリカ.
What is the weather like in Portland現在?
It is currently 11°C (51°F)、晴れ時々曇り. 湿度 is 91% and wind is 7 km/h.
When is the best timeからvisit Portland?
6月, 7月 and 8月 offer the most comfortable conditions in Portland, which has a temperate climate. 1月, 11月 and 12月 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 8:26 AM.
How many people live in Portland?
Portland has a population of approximately 650.000.
What is the nearest airportからPortland?
The closest airports are Portland International Airport (PDX), 11 km away, Seattle-Tacoma International Airport (SEA), 217 km away and Vancouver International Airport (YVR), 411 km away.
What are the top thingsからdo in Portland?
Popular options include Columbia River, Silver Falls State Park, Mount Hood, Cannon Beach, Mount 雨ier and Mount 雨ier 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. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天気 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 10月 26, 2026 at 8:26 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





