National Weather Service

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New Version of Climate Plots Arrives May 1, 2026: Early Access Now Available Under "Climate Graphs and Charts"
SCN26-34: Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices: Effective May 6, 2026

Current conditions at

Tri-Cities Airport (KPSC)

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

Mostly Cloudy

61°F

16°C

Humidity	33%
Wind Speed	SW 18 MPH
Barometer	29.7 in (1005.76 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	15 Apr 01:15 PM PDT

More Information:

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

Extended Forecast for

3 Miles WSW Wallula WA

This Afternoon
High: 53 °F
Chance Rain
and Breezy
Tonight
Low: 39 °F
Slight Chance
Rain and
Breezy
Thursday
High: 56 °F
Mostly Sunny
Thursday Night
Low: 41 °F
Partly Cloudy
Friday
High: 58 °F
Sunny
Friday Night
Low: 42 °F
Partly Cloudy
Saturday
High: 67 °F
Partly Sunny
Saturday Night
Low: 49 °F
Mostly Cloudy
Sunday
High: 72 °F
Partly Sunny

Detailed Forecast

This Afternoon

A 40 percent chance of rain. Partly sunny, with a high near 53. Breezy, with a west wind around 26 mph, with gusts as high as 36 mph.

Tonight

A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 39. Breezy, with a southwest wind 20 to 26 mph, with gusts as high as 36 mph.

Thursday

Mostly sunny, with a high near 56. West wind 14 to 17 mph, with gusts as high as 23 mph.

Thursday Night

Partly cloudy, with a low around 41. West wind 10 to 14 mph, with gusts as high as 20 mph.

Friday

Sunny, with a high near 58. Southwest wind 7 to 14 mph, with gusts as high as 18 mph.

Friday Night

Partly cloudy, with a low around 42.

Saturday

Partly sunny, with a high near 67.

Saturday Night

Mostly cloudy, with a low around 49.