Portland 気候 and Average 天気
気候 of Portland: average temperatures, rainfall and seasons month by month.
気候 in Portland month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 1月 | 8° | 1° | 176 mm | ★★☆☆☆ |
| 2月 | 10° | 3° | 169 mm | ★★☆☆☆ |
| 3月 | 13° | 5° | 164 mm | ★★☆☆☆ |
| 4月 | 16° | 6° | 77 mm | ★★★★☆ |
| 5月 | 20° | 9° | 64 mm | ★★★★☆ |
| 6月 | 24° | 12° | 52 mm | ★★★★☆ |
| 7月 | 29° | 15° | 7 mm | ★★★★★ |
| 8月 | 28° | 15° | 13 mm | ★★★★★ |
| 9月 | 23° | 13° | 51 mm | ★★★★☆ |
| 10月 | 17° | 9° | 151 mm | ★★★☆☆ |
| 11月 | 11° | 6° | 218 mm | ★★☆☆☆ |
| 12月 | 10° | 5° | 274 mm | ★☆☆☆☆ |
気候 type: Temperate. 出典： Open-Meteo archive (ERA5).
Recent extremes in Portland
高いest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Portland compares、nearby places
Annual averages, and the difference against Portland.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Multnomah County | 0 km | 12°C | about the same | 1416 mm |
| Columbia River | 13 km | 12°C | about the same | 1365 mm |
| Silver Falls State Park | 71 km | 10°C | 2°C cooler | 2007 mm |
| Mount Hood | 78 km | -7°C | 20°C cooler | 1831 mm |
| Cannon Beach | 108 km | 11°C | 1°C cooler | 2169 mm |
気候 by airport in Portland
1 airports mapped in this atlas
気候 by zip / postal code in Portland
1 zip and postal codes mapped in this atlas
訪問に最適な時期 Portland
Go in 6月, 7月 and 8月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 1月, 11月 and 12月 - expect the least comfortable mix of heat, cold or rain.
What this means for Portland
Today is warmer than average for 10月. The forecast high of 22°C is 5.4°C above the 17°C typical for this month.
雨 is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
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
- 日glasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 16°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid 1月, 11月 and 12月 - historically the least comfortable months here.
概要
Portland is a city in Oregon. Portland is known for Food carts, bookstores and forests. 人口は約650.000.
現在の気温は19°C (66°F) in Portland、快晴. 体感温度は16°C. 今日の気温は11°Cから22°C. 降水確率は0%. Sightseeing conditions score 9.6/10 - 絶好 — 今すぐ出かけられます.
訪問に最適な時期はPortland is 6月, 7月 and 8月. 気候はtemperate. 1月, 11月 and 12月 tendからbe the least comfortable months. 7月 is the warmest month、average highs near 29°C, while 1月 is the coldest、lows near 1°C.
The closest major airport is Portland International Airport (PDX), about 11 km away. Nearby highlights include Columbia River, Silver Falls State Park, Mount Hood and Cannon Beach.
簡単に言うと。 Today is warmer than average for 10月. The forecast high of 22°C is 5.4°C above the 17°C typical for this month. The best windowからbe outside is roughly 11 AMから2 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.
Quick facts about Portland
天気 map for Portland
Animated model layers. Pick a layerからload it.
Animated layers by 風y. For pin-level detail and nearby places, see the interactive map below.
Explore Portland
Every topic we hold for this place, and the same topic for the places around it.
気候 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 19°C (66°F)、快晴. 湿度 is 41% and wind is 12 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 7:04 PM.
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 15, 2026 at 7:04 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
