Portland Veður Spá
Portland weather: 20°C, heiðskýrt. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
Snjór forecast for Portland
No snow is in the current forecast window for Portland.
0 of the next 16 nights are forecast til reach freezing.
Average monthly lows here stay above freezing all year, so lying snow is rare.
16-day forecast for Portland
Hæst / Lægst; Úrkoma; UV
| Dagur | Aðstæður | Hæst / Lægst | Úrkoma | Vindur | UV |
|---|---|---|---|---|---|
| lau., sep 19 | 🌥️ Þoka | 20° / 11° | 0% | 9 km/h | 5 |
| sun., sep 20 | ☀️ Heiðskýrt | 24° / 12° | 0% | 13 km/h | 5 |
| mán., sep 21 | ☁️ Skýjað | 26° / 12° | 0% | 11 km/h | 5 |
| þri., sep 22 | ☁️ Skýjað | 24° / 13° | 0% | 11 km/h | 5 |
| mið., sep 23 | ☁️ Skýjað | 23° / 13° | 1% | 14 km/h | 5 |
| fim., sep 24 | 🌦️ Light drizzle | 20° / 10° | 8% · 1 mm | 11 km/h | 4 |
| fös., sep 25 | 🌦️ Light showers | 16° / 11° | 20% · 13 mm | 13 km/h | 3 |
| lau., sep 26 | ⛅ Skýjað að hluta | 20° / 9° | 7% | 10 km/h | 5 |
| sun., sep 27 | 🌦️ Light drizzle | 15° / 11° | 7% · 1 mm | 12 km/h | 1 |
| mán., sep 28 | 🌦️ Light drizzle | 19° / 11° | 9% · 0 mm | 6 km/h | 4 |
| þri., sep 29 | ☁️ Skýjað | 23° / 12° | 16% | 7 km/h | 4 |
| mið., sep 30 | ⛅ Skýjað að hluta | 27° / 12° | 22% | 18 km/h | 5 |
| fim., okt 1 | ☁️ Skýjað | 28° / 14° | 10% | 12 km/h | 4 |
| fös., okt 2 | ☁️ Skýjað | 27° / 15° | 10% | 5 km/h | 4 |
| lau., okt 3 | ☁️ Skýjað | 27° / 14° | 29% | 14 km/h | 4 |
| sun., okt 4 | ☁️ Skýjað | 27° / 14° | 27% | 13 km/h | 4 |
Loftslag in Portland month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 8° | 1° | 176 mm | ★★☆☆☆ |
| febrúar | 10° | 3° | 169 mm | ★★☆☆☆ |
| mars | 13° | 5° | 164 mm | ★★☆☆☆ |
| apríl | 16° | 6° | 77 mm | ★★★★☆ |
| maí | 20° | 9° | 64 mm | ★★★★☆ |
| júní | 24° | 12° | 52 mm | ★★★★☆ |
| júlí | 29° | 15° | 7 mm | ★★★★★ |
| ágúst | 28° | 16° | 15 mm | ★★★★★ |
| september | 24° | 13° | 52 mm | ★★★★☆ |
| október | 17° | 9° | 151 mm | ★★★☆☆ |
| nóvember | 11° | 6° | 218 mm | ★★☆☆☆ |
| desember | 10° | 5° | 274 mm | ★☆☆☆☆ |
Loftslag type: Temperate. Heimild: Open-Meteo archive (ERA5).
What til pack, what til skip
- sun.glasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid janúar, nóvember and desember - historically the least comfortable months here.
Sjá spá fyrir Portland eftir tímabili
Portland weather - more answers
Explore Portland
Every topic we hold for this place, and the same topic for the places around it.
Veður 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 Norður-Ameríka.
What is the weather like in Portland núna?
It is currently 20°C (69°F) með heiðskýrt. Raki is 77% and wind is 4 km/h.
When is the best time til visit Portland?
júní, júlí and ágúst offer the most comfortable conditions in Portland, which has a temperate climate. janúar, nóvember and desember 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 5:39 PM.
How many people live in Portland?
Portland has a population of approximately 650.000.
What is the nearest airport til 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 til do in Portland?
Popular options include Columbia River, Silver Falls State Park, Mount Hood, Cannon Beach, Mount Rigningier and Mount Rigningier 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. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður 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 19, 2026 at 5:39 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
