Multnomah County Väder Prognos
Multnomah County weather: 19°C, klart. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.
Will it rain in Multnomah County?
No - rain is unlikely in Multnomah County today.
Regn is very unlikely today - plans do not need a backup.
Over the next 7 days, about 0 mm of precipitation is forecast.
The next 7 days look unusually dry - roughly 0% of a normal september week (0 mm against 12 mm).
16-day forecast for Multnomah County
Max / Min; Nederb.; UV
| Dag | Förhållanden | Max / Min | Nederb. | Vind | UV |
|---|---|---|---|---|---|
| ons, sep 16 | ☀️ Klart | 23° / 12° | 2% | 16 km/h | 5 |
| tor, sep 17 | ☁️ Mulet | 27° / 16° | 0% | 15 km/h | 5 |
| fre, sep 18 | ⛅ Delvis molnigt | 24° / 13° | 0% | 13 km/h | 5 |
| lör, sep 19 | ☁️ Mulet | 27° / 13° | 0% | 9 km/h | 5 |
| sön, sep 20 | 🌤️ Mest klart | 28° / 13° | 0% | 13 km/h | 5 |
| mån, sep 21 | ☁️ Mulet | 26° / 13° | 1% | 13 km/h | 5 |
| tis, sep 22 | ☁️ Mulet | 23° / 12° | 3% | 12 km/h | 4 |
| ons, sep 23 | ☁️ Mulet | 26° / 11° | 6% | 7 km/h | 5 |
| tor, sep 24 | ☁️ Mulet | 26° / 14° | 5% | 6 km/h | 4 |
| fre, sep 25 | ☁️ Mulet | 26° / 15° | 17% | 9 km/h | 4 |
| lör, sep 26 | ☁️ Mulet | 30° / 15° | 8% | 9 km/h | 5 |
| sön, sep 27 | ⛅ Delvis molnigt | 28° / 16° | 16% | 8 km/h | 5 |
| mån, sep 28 | ☁️ Mulet | 23° / 15° | 26% | 9 km/h | 4 |
| tis, sep 29 | ☁️ Mulet | 22° / 13° | 29% | 8 km/h | 5 |
| ons, sep 30 | ☁️ Mulet | 27° / 13° | 14% | 11 km/h | 5 |
| tor, okt 1 | ☁️ Mulet | 27° / 14° | 14% | 7 km/h | 4 |
What this means for Multnomah County
Today is about average for september. The forecast high of 23°C is in line med the 24°C typical for this month.
Regn 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 juni och augusti.
The gap between the warmest and coldest month averages 17°C.
What och pack, what och skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sönglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid januari, november and december - historically the least comfortable months here.
Se prognosen för Multnomah County per tidsintervall
Multnomah County weather - more answers
Explore Multnomah County
Every topic we hold for this place, and the same topic for the places around it.
Väder for related places
Frequently asked questions
Where is Multnomah County?
Multnomah County is a county in Oregon. Its coordinates are 45.5152, -122.6784. It lies in Nordamerika.
What is the weather like in Multnomah County just nu?
It is currently 19°C (65°F) med klart. Luftfuktighet is 67% and wind is 13 km/h.
When is the best time och visit Multnomah County?
juni, juli and augusti offer the most comfortable conditions in Multnomah County, which has a temperate climate. januari, november and december are usually the hardest months for outdoor plans.
What time zone is Multnomah County in?
Multnomah County observes America/Los_Angeles (UTC-07:00). The local time is 10:14 PM.
How many people live in Multnomah County?
Multnomah County has a population of approximately 800.000.
What is the nearest airport och Multnomah County?
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 och do in Multnomah County?
Popular options include Columbia River, Silver Falls State Park, Mount Hood, Cannon Beach, Mount Regnier and Mount Regnier National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Väder 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 16, 2026 at 10:14 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





