About Pasco
Pasco is a city in and the county seat of Franklin County, Washington, United States. The population was 77,108 at the 2020 census, and estimated at 81,724 in 2024. Pasco is one of three cities that make up Washington state's Tri-Cities region, a mid-sized metropolitan area of approximately 303,622 people.
Places to visit in Pasco
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Sacajawea Historical State Park
ParkAt the confluence of the Snake and Columbia rivers, where Lewis and Clark camped, this park has an interpretive center, shaded lawns and river access.
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Columbia Park
ParkA long riverside park in Kennewick with walking and biking paths, a family fishing pond and playgrounds, part of a trail loop linking the Tri-Cities.
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Hanford Reach National Monument
NatureThe last free-flowing stretch of the Columbia River in the U.S., with the striking White Bluffs, shrub-steppe habitat and seasonal salmon runs. Boat tours and paddling are popular ways to see it.
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B Reactor
Historic · 37 mi from centrePart of the Manhattan Project National Historical Park, the world's first full-scale plutonium production reactor can be seen on scheduled guided bus tours that require advance booking.
Best time to visit Pasco
Based on recent weather records, the most comfortable time to visit Pasco is May, when average daytime highs are around 76°F and rain falls on about 4 days a month.
Average daily low and high temperatures and days with at least 1 mm of rain, from recent weather records. Highlighted months are the most comfortable for sightseeing.
Pasco weather forecast
- Wed 21 Oct 71° 40° 1%
- Thu 22 Oct 59° 51° 28%
- Fri 23 Oct 64° 43° 1%
- Sat 24 Oct 64° 42° 30%
- Sun 25 Oct 63° 40° 29%
- Mon 26 Oct 63° 38° 13%
Know before you go
- Currency
- United States dollar (USD)
- Language
- English
- Calling code
- +1
- Driving
- On the right
- Time zone
- America/Los_AngelesUTC−7
- Capital
- Washington, D.C.
Upcoming public holidays in United States
- Veterans Day
- Thanksgiving Day
- Christmas Day
- New Year's Day
- Martin Luther King, Jr. Day
- Presidents DayWashington's Birthday
Banks, offices and some attractions may close on public holidays, and flights and hotels often fill up early around them.
Getting to Pasco
These are the airports closest to central Pasco. Compare fares into each one, as a slightly longer transfer can sometimes mean a much cheaper flight.
- PSC Tri-Cities Airport2 mi (3 km) from the city centre
Pasco travel FAQ
When is the best time to visit Pasco?
Based on recent weather records, the most comfortable time to visit Pasco is May, when average daytime highs are around 76°F and rain falls on about 4 days a month.
What is the weather like in Pasco?
July is usually the warmest month in Pasco, with average highs of 97°F (36°C). January is the coolest, with average lows of 28°F (-3°C). The wettest month is typically December, with about 74 mm of rain.
Which airport is closest to Pasco?
Tri-Cities Airport (PSC) is the closest airport, about 2 miles (3 km) from the centre of Pasco.
What time zone is Pasco in?
Pasco uses the America/Los_Angeles time zone (currently UTC−7). Remember to check for daylight saving changes when planning connecting flights.
What are the best places to visit in Pasco?
Top sights in Pasco include Sacajawea Historical State Park, Columbia Park, Hanford Reach National Monument and B Reactor. At the confluence of the Snake and Columbia rivers, where Lewis and Clark camped, this park has an interpretive center, shaded lawns and river access.
