National Weather Service

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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.

Overcast

50°F

10°C

Humidity	66%
Wind Speed	WSW 9 MPH
Barometer	30.03 in (1016.93 mb)
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Wind Chill	46°F (8°C)
Last update	16 May 03:20 AM PDT

More Information:

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

Extended Forecast for

Pasco WA

Overnight
Low: 45 °F
Mostly Cloudy
Saturday
High: 66 °F
Slight Chance
Showers
Saturday Night
Low: 43 °F
Slight Chance
Showers then
Mostly Clear
Sunday
High: 70 °F
Mostly Sunny
Sunday Night
Low: 46 °F
Mostly Clear
Monday
High: 75 °F
Mostly Sunny
Monday Night
Low: 49 °F
Partly Cloudy
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 51 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 45. Southwest wind around 10 mph, with gusts as high as 18 mph.

Saturday

A 20 percent chance of showers after 11am. Partly sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 24 mph.

Saturday Night

A 20 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. West wind 6 to 10 mph, with gusts as high as 18 mph.

Sunday

Mostly sunny, with a high near 70. Southwest wind around 6 mph becoming northwest in the afternoon.

Sunday Night

Mostly clear, with a low around 46. West wind around 5 mph becoming calm in the evening.

Monday

Mostly sunny, with a high near 75.

Monday Night

Partly cloudy, with a low around 49.

Tuesday

Sunny, with a high near 78.

Tuesday Night

Partly cloudy, with a low around 51.