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.

Overcast

54°F

12°C

Humidity	58%
Wind Speed	WSW 8 MPH
Barometer	29.69 in (1005.42 mb)
Dewpoint	40°F (4°C)
Visibility	10.00 mi
Last update	15 Apr 09:53 AM PDT

More Information:

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

Extended Forecast for

Richland WA

Today
High: 59 °F
Chance Rain
Tonight
Low: 35 °F
Slight Chance
Rain then
Partly Cloudy
Thursday
High: 62 °F
Sunny
Thursday Night
Low: 35 °F
Mostly Clear
Friday
High: 63 °F
Sunny
Friday Night
Low: 38 °F
Partly Cloudy
Saturday
High: 70 °F
Partly Sunny
Saturday Night
Low: 46 °F
Mostly Cloudy
Sunday
High: 74 °F
Slight Chance
Rain

Detailed Forecast

Today

A 40 percent chance of rain, mainly between 2pm and 5pm. Cloudy early, then becoming mostly sunny, with a high near 59. West wind 11 to 14 mph, with gusts as high as 24 mph.

Tonight

A 20 percent chance of rain before 8pm. Snow level 2300 feet lowering to 1000 feet after midnight . Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West wind 8 to 14 mph, with gusts as high as 24 mph.

Thursday

Sunny, with a high near 62. Southwest wind 7 to 10 mph.

Thursday Night

Mostly clear, with a low around 35. West wind 6 to 10 mph.

Friday

Sunny, with a high near 63. Southwest wind around 6 mph.

Friday Night

Partly cloudy, with a low around 38.

Saturday

Partly sunny, with a high near 70.

Saturday Night

Mostly cloudy, with a low around 46.