National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

39°F

4°C

Humidity 86%
Wind Speed N 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 19 Apr 01:35 AM PDT
Extended Forecast for

Pasco WA

  • Overnight

    Overnight: Partly cloudy, with a low around 43. Light northwest wind.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77. North wind 3 to 6 mph.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49. Northeast wind around 6 mph becoming light and variable in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 81. Light northwest wind.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. North wind around 5 mph becoming light and variable.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 43. Light northwest wind.
Sunday
Partly sunny, with a high near 77. North wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 49. Northeast wind around 6 mph becoming light and variable in the evening.
Monday
Partly sunny, with a high near 81. Light northwest wind.
Monday Night
Partly cloudy, with a low around 53. North wind around 5 mph becoming light and variable.
Tuesday
Partly sunny, with a high near 79.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Wednesday
Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain, mainly before 11am. Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.24°N 119.11°W (Elev. 397 ft)
Last Update:
11:46 pm PDT Apr 18, 2026
Forecast Valid:
1am PDT Apr 19, 2026-6pm PDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation