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

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

Lat: 46.37472°NLon: 117.01444°WElev: 1437.0ft.

Clear

52°F

11°C

Humidity 50%
Wind Speed SSE 4 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 18 Apr 11:35 PM PDT
Extended Forecast for

Clarkston WA

  • Tonight

    Tonight: Partly cloudy, with a low around 43. East wind around 6 mph.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. East wind 5 to 7 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 49. East wind 3 to 5 mph.

    Low: 49 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 83. East wind 3 to 6 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly 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 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain. High near 60. Chance of precipitation is 80%.

    High: 60 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. East wind around 6 mph.
Sunday
Mostly sunny, with a high near 77. East wind 5 to 7 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 49. East wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 83. East wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Wednesday
Rain. High near 60. Chance of precipitation is 80%.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Thursday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clarkston WA
 46.42°N 117.04°W (Elev. 761 ft)
Last Update:
11:31 pm PDT Apr 18, 2026
Forecast Valid:
11pm PDT Apr 18, 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