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

37°F

3°C

Humidity 74%
Wind Speed SE 6 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 18 Apr 01:35 AM PDT
Extended Forecast for

Lewiston ID

  • Overnight

    Overnight: Areas of frost before 2am. Otherwise, mostly cloudy, with a low around 35. East wind around 6 mph.

    Low: 35 °F

    Areas Frost

  • Saturday

    Saturday: Partly sunny, with a high near 66. East wind 6 to 8 mph.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. East wind around 7 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 74. East wind around 7 mph.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47. East wind around 6 mph becoming southeast in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Overnight
Areas of frost before 2am. Otherwise, mostly cloudy, with a low around 35. East wind around 6 mph.
Saturday
Partly sunny, with a high near 66. East wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 40. East wind around 7 mph.
Sunday
Mostly sunny, with a high near 74. East wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 47. East wind around 6 mph becoming southeast in the evening.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Wednesday
Rain likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.37°N 116.99°W (Elev. 1204 ft)
Last Update:
1:36 am PDT Apr 18, 2026
Forecast Valid:
1am PDT Apr 18, 2026-6pm PDT Apr 24, 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