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Current conditions at
Tri-Cities Airport (KPSC)
Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.
Clear
66°F
19°C
| Humidity | 32% |
| Wind Speed | W 14 MPH |
| Barometer | 29.9 in (1012.53 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 13 Apr 12:20 PM PDT |
Extended Forecast for
Prosser WA
This Afternoon

High: 65 °F
Mostly Sunny
Tonight

Low: 37 °F
Partly Cloudy
Tuesday
High: 59 °F
Partly Sunny
then Slight
Chance RainTuesday Night

Low: 43 °F
Chance Rain
Wednesday

High: 55 °F
Rain Likely
Wednesday Night
Low: 32 °F
Slight Chance
Rain then
Mostly CloudyThursday

High: 59 °F
Mostly Sunny
Thursday Night

Low: 32 °F
Mostly Clear
Friday

High: 62 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 65. West wind around 14 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 37. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday
A 20 percent chance of rain after 2pm. Increasing clouds, with a high near 59. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 43. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 55. West wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Snow level 2500 feet lowering to 1300 feet after midnight . Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 36.
Saturday
Partly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Mostly cloudy, with a high near 65.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Prosser WA
46.22°N 119.79°W (Elev. 715 ft)
46.22°N 119.79°W (Elev. 715 ft)
11:46 am PDT Apr 13, 2026
12pm PDT Apr 13, 2026-6pm PDT Apr 19, 2026


