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.

Clear

86°F

30°C

Humidity	16%
Wind Speed	SE 8 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	36°F (2°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	17 Jun 04:35 PM PDT

More Information:

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

Extended Forecast for

6 Miles S Wallula WA

Tonight
Low: 53 °F
Mostly Clear
Thursday
High: 84 °F
Increasing
Clouds
Thursday Night
Low: 57 °F
Mostly Cloudy
Juneteenth
High: 90 °F
Becoming
Sunny
Friday Night
Low: 60 °F
Partly Cloudy
then Partly
Cloudy and
Breezy
Saturday
High: 83 °F
Sunny and
Breezy
Saturday Night
Low: 53 °F
Clear and
Breezy then
Clear
Sunday
High: 83 °F
Sunny
Sunday Night
Low: 56 °F
Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 53. West wind 8 to 11 mph becoming south after midnight.

Thursday

Increasing clouds, with a high near 84. Southwest wind around 9 mph becoming north in the afternoon.

Thursday Night

Mostly cloudy, with a low around 57. North wind 5 to 9 mph becoming east in the evening.

Juneteenth

Cloudy through mid morning, then gradual clearing, with a high near 90. Southwest wind 5 to 9 mph becoming north in the morning.

Friday Night

Partly cloudy, with a low around 60. Breezy, with a northwest wind 11 to 16 mph becoming southwest 18 to 23 mph after midnight. Winds could gust as high as 30 mph.

Saturday

Sunny, with a high near 83. Breezy.

Saturday Night

Clear, with a low around 53. Breezy.

Sunday

Sunny, with a high near 83.

Sunday Night

Clear, with a low around 56.

Monday

Sunny, with a high near 88.

Monday Night

Mostly clear, with a low around 58.