Current conditions at
Tri-Cities Airport (KPSC)
Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.
Clear
39°F
4°C
| Humidity | 93% |
| Wind Speed | N 4 MPH |
| Barometer | 30.15 in (1021.0 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 18 May 04:35 AM PDT |
Extended Forecast for
Prosser WA
Today
High: 74 °F
Mostly Sunny
Tonight
Low: 44 °F
Partly Cloudy
Tuesday
High: 76 °F
Mostly Sunny
Tuesday Night
Low: 48 °F
Mostly Cloudy
Wednesday
High: 78 °F
Sunny
Wednesday Night
Low: 51 °F
Partly Cloudy
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 51 °F
Partly Cloudy
Friday
High: 82 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 74. West wind around 5 mph.
Tonight
Partly cloudy, with a low around 44. West wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 76. West wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 48. West wind 5 to 7 mph.
Wednesday
Sunny, with a high near 78. West wind 3 to 5 mph.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 51.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Prosser WA
46.2°N 119.78°W (Elev. 646 ft)
46.2°N 119.78°W (Elev. 646 ft)
4:01 am PDT May 18, 2026
4am PDT May 18, 2026-6pm PDT May 24, 2026
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