National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

52°F

11°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Apr 08:00 AM PDT
Extended Forecast for

5 Miles ENE Prosser WA

  • Today

    Today: Partly sunny, with a high near 80. Light and variable wind becoming north around 5 mph in the afternoon.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Northeast wind around 6 mph becoming west in the evening.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 77. Southwest wind 5 to 10 mph.

    High: 77 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 47. Southwest wind 10 to 13 mph, with gusts as high as 21 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 62. West wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 80. Light and variable wind becoming north around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 49. Northeast wind around 6 mph becoming west in the evening.
Tuesday
Partly sunny, with a high near 77. Southwest wind 5 to 10 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 47. Southwest wind 10 to 13 mph, with gusts as high as 21 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 62. West wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 41.
Thursday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Prosser WA
 46.24°N 119.67°W (Elev. 600 ft)
Last Update:
4:01 am PDT Apr 20, 2026
Forecast Valid:
8am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation