News Headlines
Current conditions at
Tri-Cities Airport (KPSC)
Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.
Clear
79°F
26°C
| Humidity | 34% |
| Wind Speed | NW 10 MPH |
| Barometer | 29.9 in (1012.53 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 01 May 05:15 PM PDT |
Extended Forecast for
Prosser WA
Tonight
Low: 54 °F
Mostly Cloudy
Saturday
High: 85 °F
Partly Sunny
Saturday Night
Low: 54 °F
Decreasing
CloudsSunday
High: 88 °F
Sunny
Sunday Night
Low: 55 °F
Mostly Clear
Monday
High: 89 °F
Sunny
Monday Night
Low: 55 °F
Mostly Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 54 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 54. Northeast wind around 6 mph becoming west after midnight.
Saturday
Partly sunny, with a high near 85. Light and variable wind becoming north 5 to 7 mph in the morning.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 54. Northeast wind around 7 mph becoming northwest after midnight.
Sunday
Sunny, with a high near 88. Northwest wind around 7 mph becoming northeast in the afternoon.
Sunday Night
Mostly clear, with a low around 55. North wind 5 to 7 mph.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 84.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
3:01 pm PDT May 1, 2026
5pm PDT May 1, 2026-6pm PDT May 8, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
