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Current conditions at
Tri-Cities Airport (KPSC)
Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.
Overcast
55°F
13°C
| Humidity | 43% |
| Wind Speed | SW 14 MPH |
| Barometer | 29.73 in (1006.77 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 04:00 AM PDT |
Extended Forecast for
Prosser WA
Overnight

Low: 46 °F
Chance Rain
Wednesday
High: 57 °F
Chance Rain
then Slight
Chance RainWednesday Night
Low: 31 °F
Slight Chance
Rain then
Partly CloudyThursday

High: 60 °F
Sunny
Thursday Night

Low: 33 °F
Mostly Clear
Friday

High: 62 °F
Sunny
Friday Night

Low: 38 °F
Partly Cloudy
Saturday

High: 69 °F
Partly Sunny
Saturday Night

Low: 45 °F
Mostly Cloudy
Detailed Forecast
Overnight
A 40 percent chance of rain. Cloudy, with a steady temperature around 46. Southwest wind around 15 mph, with gusts as high as 26 mph.
Wednesday
A chance of rain before 11am, then a slight chance of rain after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 57. West wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain before 8pm. Snow level 2300 feet lowering to 800 feet after midnight . Partly cloudy, with a low around 31. West wind 9 to 15 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 60. West wind around 9 mph.
Thursday Night
Mostly clear, with a low around 33. West wind 6 to 9 mph.
Friday
Sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
A slight chance of rain. Partly sunny, with a high near 72.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 77.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 78.
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)
4:00 am PDT Apr 15, 2026
4am PDT Apr 15, 2026-6pm PDT Apr 21, 2026


