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Portland Union Station

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Portland Union Station Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Portland Union Station year round climate

  • Spring (March–May): Average 9.1–15.6°C, mild climate, but occasional showers. Rainfall gradually decreases from March to May. Common activities: Outdoor walks, museum visits, exploring city parks. Recommended clothing: Light jacket, comfortable trousers or skirt, and comfortable shoes.
  • Summer (June–August): Average 18.8–23.4°C, warm and dry weather, sunny, very little rainfall in July and August. Common activities: Hiking, camping, water activities. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 8.1–19.9°C, temperatures gradually decrease, rainfall increases, especially in November. Common activities: Leaf peeping, winery visits, enjoying harvest festivals. Recommended clothing: Light jacket or fleece, comfortable trousers or skirt.
  • Winter (December–February): Average 5.5–6.5°C, cold and humid climate, higher rainfall, with December being the rainiest month. Common activities: Indoor activities, museum visits, enjoying warm cafes. Recommended clothing: Warm coat, scarf, hat, gloves.

Portland Union Station climatological average

Annual average temperature: approx. 13.5°C / Annual rainfall: approx. 978 mm / Summer humidity: 60%–70% / Rainiest month: December

Portland Union Station monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
5.5°C
151.7
February
6.5°C
80.7
March
9.1°C
85
April
11.1°C
107
May
15.6°C
60.3
June
18.8°C
48
July
23.2°C
2
August
23.4°C
10.3
September
19.9°C
19.7
October
14.9°C
74.7
November
8.1°C
142
December
6.3°C
197.3

Portland Union Station weather for the next seven days

12/17
Wednesday
Moderate rain
10.3°C/5.9°C
12/18
Thursday
Heavy rain
11.5°C/4.7°C
12/19
Friday
Heavy rain
5.8°C/4.8°C
12/20
Saturday
Moderate rain
6.2°C/4.4°C
12/21
Sunday
Moderate rain
7.9°C/4.9°C
12/22
Monday
Moderate rain
6.9°C/5.2°C
12/23
Tuesday
Patchy rain nearby
7.9°C/4.3°C

Portland Union Station Frequently Asked Questions and Useful Information for Travel

How early should I arrive at Union Station Portland?

It's a good idea to arrive 30 minutes before your train is due to depart, especially if you are checking baggage. Please arrive one hour early if you will be crossing the United States/Canadian border.

Is Portland Union Station being sold?

Talks to sell Union Station to Amtrak stalled in early 2024. Prosper Portland was still seeking a buyer who would be able to finance seismic retrofitting and other upgrades estimated to cost $250 million.

Where does the Amtrak stop in Portland?

Amtrak stops at Portland, OR - Union Station (PDX).

What year was Union Station in Portland built?

Portland's Union Station is the oldest major passenger terminal on the West Coast. Construction began in 1890 and it opened for service in 1896. The station has been in continuous operations ever since.

What are the key architectural features of Portland Union Station?

Portland Union Station is renowned for its distinctive Romanesque Revival architecture. Its prominent 150-foot clock tower is a beloved city landmark, and the grand waiting room, with its high ceilings and ornate details, offers a glimpse into historical railway travel.