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

69°F

21°C

Humidity 40%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 28 Aug 08:56 AM PDT
Extended Forecast for

Asotin WA

  • Today

    Today: Sunny, with a high near 86. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Breezy, with a light and variable wind becoming northwest 15 to 20 mph in the morning. Winds could gust as high as 33 mph.

    High: 79 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 51. Breezy, with a northwest wind 16 to 21 mph becoming south 6 to 11 mph in the evening. Winds could gust as high as 33 mph.

    Low: 51 °F

    Slight Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 86. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Tonight
Partly cloudy, with a low around 57. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 79. Breezy, with a light and variable wind becoming northwest 15 to 20 mph in the morning. Winds could gust as high as 33 mph.
Saturday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 51. Breezy, with a northwest wind 16 to 21 mph becoming south 6 to 11 mph in the evening. Winds could gust as high as 33 mph.
Sunday
Sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 55.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 78.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 52.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Asotin WA
 46.34°N 117.05°W (Elev. 846 ft)
Last Update:
2:21 am PDT Aug 28, 2026
Forecast Valid:
9am PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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