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Current conditions at
Tri-Cities Airport (KPSC)
Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.
Clear
54°F
12°C
| Humidity | 39% |
| Wind Speed | N 0 MPH |
| Barometer | 30.29 in (1025.74 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 17 Apr 10:53 AM PDT |
Extended Forecast for
Prosser WA
Today

High: 61 °F
Increasing
CloudsTonight

Low: 41 °F
Mostly Cloudy
Saturday

High: 71 °F
Decreasing
CloudsSaturday Night

Low: 43 °F
Partly Cloudy
Sunday

High: 76 °F
Partly Sunny
Sunday Night

Low: 49 °F
Mostly Cloudy
Monday

High: 80 °F
Partly Sunny
Monday Night

Low: 51 °F
Partly Cloudy
Tuesday

High: 79 °F
Partly Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 61. Light and variable wind.
Tonight
Mostly cloudy, with a low around 41. Light northeast wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 43. Northeast wind around 6 mph becoming north after midnight.
Sunday
Partly sunny, with a high near 76. Northeast wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 79.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Mostly cloudy, with a high near 66.
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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ABOUT THIS FORECAST
Point Forecast:
Prosser WA
46.2°N 119.78°W (Elev. 646 ft)
46.2°N 119.78°W (Elev. 646 ft)
10:57 am PDT Apr 17, 2026
11am PDT Apr 17, 2026-6pm PDT Apr 23, 2026


