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.

Clear

52°F

11°C

Humidity	29%
Wind Speed	WSW 16 MPH
Barometer	29.81 in (1009.48 mb)
Dewpoint	21°F (-6°C)
Visibility	10.00 mi
Last update	15 Apr 07:00 PM PDT

More Information:

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

Extended Forecast for

4 Miles SSW Richland WA

Tonight
Low: 35 °F
Slight Chance
Rain and
Breezy then
Mostly Cloudy
Thursday
High: 58 °F
Mostly Sunny
Thursday Night
Low: 35 °F
Mostly Clear
Friday
High: 60 °F
Sunny
Friday Night
Low: 39 °F
Partly Cloudy
Saturday
High: 67 °F
Partly Sunny
Saturday Night
Low: 47 °F
Mostly Cloudy
Sunday
High: 73 °F
Partly Sunny
Sunday Night
Low: 50 °F
Mostly Cloudy

Detailed Forecast

Tonight

A 20 percent chance of rain before 8pm. Snow level 2400 feet lowering to 1400 feet after midnight . Mostly cloudy, with a low around 35. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 29 mph.

Thursday

Mostly sunny, with a high near 58. West wind 11 to 14 mph, with gusts as high as 20 mph.

Thursday Night

Mostly clear, with a low around 35. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Friday

Sunny, with a high near 60. Southwest wind 6 to 9 mph.

Friday Night

Partly cloudy, with a low around 39. Southeast wind around 7 mph becoming east after midnight.

Saturday

Partly sunny, with a high near 67.

Saturday Night

Mostly cloudy, with a low around 47.