Region

Pacific Northwest

Pick one base — Seattle or Portland — and add one coast or mountain loop by car.

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Key facts · United States

Best months: May–Sep
Visa: Depends on your passport
Currency: US dollar (USD, $)
Language: English
Plugs: A · B · 120 V
Time zone: Six zones: UTC−5 to UTC−10

Month by month hereIn detail ↓

Rules in force · 7Crossing between the US, Canada and Mexico by land needs …Cannabis is legal in Canada and in many US states, but ta…

North America ↗Crossing between the US, Canada and Mexico by land needs your passport even on a day trip; rental cars need the company's written permission to cross, and most US and Canadian rental insurance stops at the Mexican border.
North America ↗Cannabis is legal in Canada and in many US states, but taking any amount across the US, Canadian or Mexican border is a federal crime — including edibles and vapes.
North America ↗The busiest US and Canadian national parks need timed-entry, campsite or lodge reservations in summer; release dates are months ahead.
United States ↗Check whether you need an ESTA (Visa Waiver Program) or a visa on the official CBP and State Department sites; apply only through esta.cbp.dhs.gov, not third-party sites, and allow time before you book.
United States ↗Several popular national parks use timed-entry or vehicle reservations in peak season; check each park's page on nps.gov and book on recreation.gov before fixing your dates.
United States ↗Medical care is very expensive for visitors; buy travel insurance with high medical cover before you fly.
United States ↗Tipping is expected: about 15–20% at sit-down restaurants and bars, and a tip for taxis, hotel staff and guides.

The Pacific Northwest is two cities about 3 hours apart by train, plus a coast and a volcano belt that only work with a car. Seattle gives you water, islands and Mount Rainier; Portland gives you the Columbia River Gorge and the Oregon coast. Sleep in one, day-trip the rest, and rent a car only for the days you leave the city.

Where to sleep

2 places in this region

SeattleCity guide
Flights, ferries, Mount Rainier and the San Juan Islands.
Best Jun–Sep
JFMAMJJASOND
Open Seattle →
PortlandGuide: planned
Cheaper rooms, Columbia River Gorge, Oregon coast.
Page planned: listed so the region plan is complete.

Plan the nights

How to split the nights, day-trips and what to do with your bags

Open Plan the nightsClose Plan the nights3 partsNights · Day-trips · Bags

Night sequences

4 nights: Seattle 4, Mount Rainier or the San Juan Islands as a day-trip
7 nights: Seattle 4 + Portland 3 by Amtrak Cascades, one car day for the Gorge

Seattle + Portland + the coast + a national park in 4 days is mostly driving.
Ferry and park roads fill in July–August; book ferries and lodges ahead.

Day-trips door to door

To	From	Door-to-door p50	Last return	Note
Mount Rainier National Park	Seattle	150 min	unknown	Car only; the park road is seasonal and can close for snow.
Columbia River Gorge	Portland	60 min	unknown	Car or a tour; waterfalls line the historic highway.
San Juan Islands	Seattle	180 min	unknown	Ferry from Anacortes; walk-on is easier than a car in summer.

Bags between cities

No luggage forwarding; Amtrak Cascades allows two carry-on bags plus two checked per person.

When to go

Months and weather

Open When to goClose When to go2 partsSeasons · Climate

Seasons at a glance

From each city's month table

Pick a month to see where to go.

Only good-now countries

Show all 12 months, country by countryHide the 12-month table

Country	JJan	FFeb	MMar	AApr	MMay	JJun	JJul	AAug	SSep	OOct	NNov	DDec
Seattle	×	×	ok	ok	ok	go	go	go	go	ok	×	×
United States (country-wide)	ok	ok	go	go	go	go	ok	ok	go	go	ok	ok

Go: the good monthsFair: workable, mixedPoor: heat, rain or hazeAvoid: storms, floods, closuresno data yet

Computed from each country’s own data; hover a country name for the source. Advisory countries are left out.

Climate strip

Month by month

Zone	J	F	M	A	M	J	J	A	S	O	N	D
Puget Sound (Seattle)coastal lowland	wet	wet	ok	ok	best	best	best	best	best	ok	wet	wet
Willamette Valley (Portland)inland valley	wet	wet	ok	ok	best	best	best	best	best	ok	wet	wet
Cascades and east sidemountains and high desert	cold	cold	cold	ok	ok	best	best	best	ok	ok	cold	cold

best: dry, mildok: workablewet: daily rain

Puget Sound (Seattle): Rain falls mostly November–March; July–September are dry and mild, around 24 °C (75 °F).Rain falls mostly November–March; July–September are dry and mild, around 75 °F (24 °C).
Willamette Valley (Portland): Warmer than Seattle in summer; occasional 35 °C (95 °F)+ days in July–August.Warmer than Seattle in summer; occasional 95 °F (35 °C)+ days in July–August.
Cascades and east side: Mountain passes can hold snow into June; the east side is dry and hot in summer.

Best months are July–September for dry weather, but that is also the crowd and price peak; May–June and September are quieter with some rain.

Getting in and passes

Arrival times and regional passes

Open Getting in and passesClose Getting in and passes2 partsGet in · Passes

Get in

Door-to-door p50, 2026 estimate

From	To	How	p50	Note
SEA (Seattle-Tacoma International)	Downtown Seattle	Link light rail	~40 min	Runs from early morning to late night; the easiest arrival.
PDX (Portland International)	Downtown Portland	MAX light rail	~40 min	Direct train from the terminal; no ticket machine queue needed if you tap.
Vancouver, BC	Seattle	Amtrak Cascades or bus	~4 h train	Border control at the station; arrive early with a passport.
Los Angeles	Seattle / Portland	Coast Starlight	~30 h+	Scenic but often hours late; use it as a trip, not as transport.
Chicago	Seattle / Portland	Empire Builder	~45 h	Books out fast in summer; splits at Spokane for the two cities.

Regional passes

Verdict first

Amtrak Cascades

buy

The default Seattle–Portland link, about 3 h 30; book early for the cheapest seats.

America the Beautiful annual pass

check

Pays if you visit two or more national parks or federal sites in a year; check the current price.

Washington State Ferries

buy

Walk-on fares are cheap; a car needs a reservation in summer.

Eat and move on

Regional food and where to go next

Open Eat and move onClose Eat and move on2 partsFood · Go next

Regional food

Where and when it works

Dish	Where	Timing / trap
Coffee and espresso	Seattle and Portland	The region's signature; roasters cluster in both downtowns.
Salmon and seafood	Seattle: Pike Place, waterfront	Pike Place stalls close mid-afternoon; go before 15:00.Pike Place stalls close mid-afternoon; go before 3:00 PM.
Food carts	Portland	Dozens of pods across the city; most open lunch to early evening.
Pinot Noir and Willamette Valley wine	Dundee, Newberg (1 h from Portland)	Tasting rooms usually need a booking at weekends.
Marionberry pie and berries	Oregon	Berry season is June–August; farm stands sell out by afternoon.
Dungeness crab	Oregon and Washington coast	Season varies by area; check local rules before you buy.

Go next

Seattle

Base city

Flights, ferries and Mount Rainier access.

California

planned

Coast Starlight or I-5 south

San Francisco is a long day's drive or an overnight train.

Alaska

planned

Ferry from Bellingham or a short flight

The Inside Passage ferry fills fast; book early.

Planning aids

Built from this guide's own data

Open Planning aidsClose Planning aids2 partsIn numbers · Going in…

Region in numbers

Where to sleep: 2 bases
Day trips: 3, 1 h to 3 h
Nights suggested: 4–7 nights
Ways in: 5 listed
Best months: Jun–Aug (all zones)

Going in…

Pick a month for the weather in each zone of the region, plus the country-wide rating and holidays.

Pick a month.

Plan your trip to United States Up to United States

Deep dive

Photos, reading and every source

Open Deep diveClose Deep dive1 partSources

Sources

officialWashington State Ferries
officialAmtrak
officialPortland International Airport
officialTravel Oregon
officialWashington State Tourism
secondaryWikivoyage: Pacific Northwest, revision 5322712 (CC BY-SA 4.0)

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