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.

Rain

62°F

17°C

Humidity	77%
Wind Speed	N 0 MPH
Barometer	29.66 in (1004.4 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	08 Jun 07:53 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: 50 °F
Showers
Likely and
Breezy
Tuesday
High: 69 °F
Becoming
Sunny and
Windy
Tuesday Night
Low: 46 °F
Mostly Clear
and Breezy
then Mostly
Clear
Wednesday
High: 71 °F
Sunny
Wednesday Night
Low: 46 °F
Clear
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 53 °F
Clear
Friday
High: 85 °F
Sunny
Friday Night
Low: 58 °F
Clear

Detailed Forecast

Tonight

Showers likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 50. Breezy, with a southwest wind 8 to 13 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Partly sunny, then gradually becoming sunny, with a high near 69. Windy, with a west wind 24 to 31 mph, with gusts as high as 38 mph.

Tuesday Night

Mostly clear, with a low around 46. Breezy, with a southwest wind 18 to 25 mph, with gusts as high as 34 mph.

Wednesday

Sunny, with a high near 71. West wind 10 to 16 mph, with gusts as high as 21 mph.

Wednesday Night

Clear, with a low around 46. West wind 6 to 11 mph.

Thursday

Sunny, with a high near 77.

Thursday Night

Clear, with a low around 53.