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

62°F

17°C

Humidity 60%
Wind Speed NNW 4 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 Apr 07:53 PM PDT
Extended Forecast for

4 Miles SSE Grandview WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. West wind around 6 mph.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.

    High: 80 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. Northeast wind around 6 mph becoming south in the evening.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 77. Light west wind becoming southwest 5 to 9 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 48. West wind 10 to 13 mph, with gusts as high as 21 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. West wind around 6 mph.
Monday
Partly sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 51. Northeast wind around 6 mph becoming south in the evening.
Tuesday
Partly sunny, with a high near 77. Light west wind becoming southwest 5 to 9 mph in the afternoon.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 48. West wind 10 to 13 mph, with gusts as high as 21 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 44.
Thursday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Grandview WA
 46.19°N 119.87°W (Elev. 682 ft)
Last Update:
3:00 pm PDT Apr 19, 2026
Forecast Valid:
8pm PDT Apr 19, 2026-6pm PDT Apr 26, 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