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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

59°F

15°C

Humidity	62%
Wind Speed	SE 9 MPH
Barometer	29.65 in (1004.06 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	12 Apr 02:00 PM PDT

More Information:

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

Extended Forecast for

4 Miles SSW Richland WA

This Afternoon
High: 65 °F
Chance Rain
Tonight
Low: 49 °F
Chance Rain
Monday
High: 64 °F
Mostly Sunny
Monday Night
Low: 41 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Tuesday
High: 58 °F
Partly Sunny
and Breezy
Tuesday Night
Low: 44 °F
Chance Rain
and Breezy
Wednesday
High: 53 °F
Rain/Snow
Likely and
Breezy then
Chance Rain
Wednesday Night
Low: 35 °F
Slight Chance
Rain then
Mostly Cloudy
Thursday
High: 57 °F
Sunny

Detailed Forecast

This Afternoon

A 30 percent chance of rain. Mostly cloudy, with a high near 65. Southwest wind around 9 mph.

Tonight

A 50 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 49. West wind 13 to 17 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 64. West wind 18 to 21 mph, with gusts as high as 26 mph.

Monday Night

Partly cloudy, with a low around 41. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 28 mph.

Tuesday

Partly sunny, with a high near 58. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 30 mph.

Tuesday Night

A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 44. Breezy.

Wednesday

Rain likely before 8am, then rain likely, possibly mixed with snow between 8am and 11am, then a chance of rain after 11am. Snow level 3100 feet lowering to 2200 feet. Mostly cloudy, with a high near 53. Breezy. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

A 20 percent chance of rain before 11pm. Snow level 2500 feet lowering to 1400 feet after midnight . Mostly cloudy, with a low around 35.

Thursday

Sunny, with a high near 57.

Thursday Night

Mostly clear, with a low around 36.

Friday

Sunny, with a high near 60.

Friday Night

Mostly clear, with a low around 37.

Saturday

Mostly sunny, with a high near 65.