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.

Clear

63°F

17°C

Humidity	45%
Wind Speed	WSW 5 MPH
Barometer	29.96 in (1014.56 mb)
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Last update	08 May 08:15 AM PDT

More Information:

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

Extended Forecast for

Wallula WA

Today
High: 73 °F
Becoming
Sunny and
Breezy
Tonight
Low: 53 °F
Mostly Clear
and Breezy
then Mostly
Clear
Saturday
High: 74 °F
Sunny
Saturday Night
Low: 55 °F
Mostly Cloudy
Sunday
High: 77 °F
Partly Sunny
Sunday Night
Low: 54 °F
Partly Cloudy
and Breezy
then Mostly
Clear
Monday
High: 75 °F
Sunny
Monday Night
Low: 55 °F
Mostly Clear
Tuesday
High: 82 °F
Sunny

Detailed Forecast

Today

Mostly cloudy through mid morning, then gradual clearing, with a high near 73. Breezy, with a southwest wind 25 to 28 mph, with gusts as high as 36 mph.

Tonight

Mostly clear, with a low around 53. Breezy, with a southwest wind 19 to 24 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.

Saturday

Sunny, with a high near 74. South wind 5 to 9 mph becoming light and variable in the afternoon.

Saturday Night

Mostly cloudy, with a low around 55. East wind around 5 mph becoming calm in the evening.

Sunday

Partly sunny, with a high near 77. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 22 mph.

Sunday Night

Mostly clear, with a low around 54. Breezy.

Monday

Sunny, with a high near 75.

Monday Night

Mostly clear, with a low around 55.