National Weather Service

News Headlines

Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP/OSO) for all NWS Western Region Offices Effect July 7, 2026

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Mostly Cloudy

61°F

16°C

Humidity	31%
Wind Speed	SW 4 MPH
Barometer	30.01 in (1016.26 mb)
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Last update	16 May 04:15 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Pasco WA

This Afternoon
High: 65 °F
Chance
Showers
Tonight
Low: 42 °F
Slight Chance
Showers then
Partly Cloudy
Sunday
High: 70 °F
Mostly Sunny
Sunday Night
Low: 45 °F
Mostly Clear
Monday
High: 75 °F
Mostly Sunny
Monday Night
Low: 49 °F
Mostly Clear
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 50 °F
Partly Cloudy
Wednesday
High: 79 °F
Sunny

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 65. Northwest wind around 11 mph, with gusts as high as 21 mph.

Tonight

A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 42. Southwest wind 5 to 10 mph.

Sunday

Mostly sunny, with a high near 70. West wind 5 to 7 mph becoming north in the afternoon.

Sunday Night

Mostly clear, with a low around 45. North wind around 5 mph becoming calm in the evening.

Monday

Mostly sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 49.

Tuesday

Sunny, with a high near 77.