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Current conditions at
Tri-Cities Airport (KPSC)
Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.
Clear
63°F
17°C
| Humidity | 42% |
| Wind Speed | NNW 9 MPH |
| Barometer | 29.96 in (1014.56 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 19 Apr 11:00 AM PDT |
Extended Forecast for
Prosser WA
Today
High: 75 °F
Mostly Cloudy
Tonight
Low: 47 °F
Mostly Cloudy
Monday
High: 80 °F
Partly Sunny
Monday Night
Low: 50 °F
Partly Cloudy
Tuesday
High: 77 °F
Partly Sunny
Tuesday Night
Low: 48 °F
Chance Rain
Wednesday
High: 64 °F
Rain Likely
Wednesday Night
Low: 43 °F
Chance Rain
Thursday
High: 66 °F
Slight Chance
Rain then
Mostly Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 75. Northeast wind around 8 mph.
Tonight
Mostly cloudy, with a low around 47. Northeast wind 5 to 7 mph becoming west in the evening.
Monday
Partly sunny, with a high near 80. West wind around 5 mph becoming light and variable.
Monday Night
Partly cloudy, with a low around 50. Northeast wind around 6 mph becoming west after midnight.
Tuesday
Partly sunny, with a high near 77. Southwest wind 5 to 9 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 48.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 43.
Thursday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 68.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Prosser WA
46.21°N 119.75°W (Elev. 741 ft)
46.21°N 119.75°W (Elev. 741 ft)
9:58 am PDT Apr 19, 2026
11am PDT Apr 19, 2026-6pm PDT Apr 25, 2026
Additional Resources
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