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.

Overcast

55°F

13°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 13 Apr 12:00 AM PDT
Extended Forecast for

4 Miles NE Prosser WA

  • Overnight

    Overnight: A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 44. West wind around 9 mph, with gusts as high as 18 mph.

    Low: 44 °F

    Slight Chance
    Rain

  • Monday

    Monday: Mostly sunny, with a high near 65. West wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. West wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 59. Southwest wind 8 to 18 mph, with gusts as high as 26 mph.

    High: 59 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 42. Southwest wind 14 to 17 mph, with gusts as high as 28 mph.

    Low: 42 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.

    High: 55 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 11pm. Snow level 2500 feet lowering to 1400 feet after midnight . Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 44. West wind around 9 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 65. West wind 10 to 15 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 37. West wind 8 to 14 mph, with gusts as high as 23 mph.
Tuesday
Increasing clouds, with a high near 59. Southwest wind 8 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 42. Southwest wind 14 to 17 mph, with gusts as high as 28 mph.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of rain before 11pm. Snow level 2500 feet lowering to 1400 feet after midnight . Mostly cloudy, with a low around 32.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 36.
Saturday
Partly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
A chance of rain. Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Prosser WA
 46.23°N 119.7°W (Elev. 650 ft)
Last Update:
11:46 pm PDT Apr 12, 2026
Forecast Valid:
12am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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