Multnomah County Klima and Average Vejr
Klima of Multnomah County: average temperatures, rainfall and seasons month by month.
Klima in Multnomah County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 8° | 1° | 176 mm | ★★☆☆☆ |
| februar | 10° | 3° | 169 mm | ★★☆☆☆ |
| marts | 13° | 5° | 164 mm | ★★☆☆☆ |
| april | 16° | 6° | 77 mm | ★★★★☆ |
| maj | 20° | 9° | 64 mm | ★★★★☆ |
| juni | 24° | 12° | 52 mm | ★★★★☆ |
| juli | 29° | 15° | 7 mm | ★★★★★ |
| august | 28° | 16° | 15 mm | ★★★★★ |
| september | 24° | 13° | 52 mm | ★★★★☆ |
| oktober | 17° | 9° | 151 mm | ★★★☆☆ |
| november | 11° | 6° | 218 mm | ★★☆☆☆ |
| december | 10° | 5° | 274 mm | ★☆☆☆☆ |
Klima type: Temperate. Kilde: Open-Meteo archive (ERA5).
Recent extremes in Multnomah County
Højest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Multnomah County compares med nearby places
Annual averages, and the difference against Multnomah County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Portland | 0 km | 12°C | about the same | 1419 mm |
| ZIP Code 97205 | 1 km | 12°C | about the same | 1419 mm |
| Portland International Airport | 11 km | 12°C | about the same | 1540 mm |
| Columbia River | 13 km | 12°C | about the same | 1367 mm |
| Silver Falls State Park | 71 km | 10°C | 2°C cooler | 2007 mm |
Bedste rejsetid Multnomah County
Go in juni, juli and august. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, november and december - expect the least comfortable mix of heat, cold or rain.
What this means for Multnomah County
Today is cooler than average for september. The forecast high of 20°C is 4.8°C below the 24°C typical for this month.
A 10% chance means most of the area stays dry; a passing shower is possible but short.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in juni og august.
The gap between the warmest and coldest month averages 17°C.
What og pack, what og skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sønglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid januar, november and december - historically the least comfortable months here.
Resumé
Multnomah County is a county in Oregon. Multnomah County is a county in the United States. Der bor omkring 800.000.
Lige nu er det 13°C (55°F) in Multnomah County med klart. Det føles som 12°C. I dag ligger temperaturen mellem 12°C og 20°C. Sandsynligheden for nedbør er 10%. Sightseeing conditions score 9.1/10 - fremragende — tag af sted nu.
Det bedste tidspunkt at besøge Multnomah County is juni, juli and august. Klimaet er temperate. januar, november and december tend og be the least comfortable months. juli is the warmest month med average highs near 29°C, while januar is the coldest med 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.
Kort sagt. Today is cooler than average for september. The forecast high of 20°C is 4.8°C below the 24°C typical for this month. The best window og be outside is roughly 3 PM og 6 PM, when temperature, rain chance and wind line up best. hiking is the strongest bet in Multnomah County today at 9.4/10. 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 Multnomah County
| Type | County |
|---|---|
| State | Oregon |
| Land | USA |
| Kontinent | Nordamerika |
| Koordinater | 45°30′54.7″N 122°40′42.2″W (45.5152, -122.6784) |
| Befolkning | 800.000 |
| Lokal tid | 3:42 AM (UTC-07:00) |
| Best months | juni, juli and august |
| Klima | Temperate |
Vejr map for Multnomah County
Animated model layers. Pick a layer og load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Explore Multnomah County
Every topic we hold for this place, and the same topic for the places around it.
Klima 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 lige nu?
It is currently 13°C (55°F) med klart. Luftfugtighed is 80% and wind is 10 km/h.
When is the best time og visit Multnomah County?
juni, juli and august offer the most comfortable conditions in Multnomah County, which has a temperate climate. januar, 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 3:42 AM.
How many people live in Multnomah County?
Multnomah County has a population of approximately 800.000.
What is the nearest airport og 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 og 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. |
|---|---|
| Prognose and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vejr 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 15, 2026 at 3:42 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
