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Current conditions at
Tri-Cities Airport (KPSC)
Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.
Clear
52°F
11°C
| Humidity | 46% |
| Wind Speed | SSW 5 MPH |
| Barometer | 30.29 in (1025.74 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 17 Apr 09:55 AM PDT |
Extended Forecast for
Prosser WA
Today
High: 60 °F
Patchy Frost
then
Increasing
CloudsTonight
Low: 39 °F
Mostly Cloudy
Saturday
High: 69 °F
Partly Sunny
Saturday Night
Low: 43 °F
Partly Cloudy
Sunday
High: 75 °F
Partly Sunny
Sunday Night
Low: 49 °F
Mostly Cloudy
Monday
High: 79 °F
Partly Sunny
Monday Night
Low: 51 °F
Partly Cloudy
Tuesday
High: 78 °F
Partly Sunny
Detailed Forecast
Today
Patchy frost before 11am. Otherwise, increasing clouds, with a high near 60. Calm wind.
Tonight
Mostly cloudy, with a low around 39. Light east wind.
Saturday
Partly sunny, with a high near 69. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 43. East wind around 5 mph becoming light and variable after midnight.
Sunday
Partly sunny, with a high near 75. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Mostly cloudy, with a high near 65.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Thursday
A slight chance of rain. Mostly sunny, with a high near 64.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Prosser WA
46.22°N 119.79°W (Elev. 715 ft)
46.22°N 119.79°W (Elev. 715 ft)
10:06 am PDT Apr 17, 2026
10am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
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