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

46°F

8°C

Humidity 65%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 22 May 04:35 AM PDT
Extended Forecast for

Lewiston ID

  • Today

    Today: Sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Northwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: A 20 percent chance of showers after 11am. Mostly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 47. Breezy. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 79. Light and variable wind.
Tonight
Partly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 52. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 84. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 53.
Memorial Day
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 81.
Monday Night
Showers likely. Mostly cloudy, with a low around 47. Breezy. Chance of precipitation is 70%.
Tuesday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 45.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
Last Update:
3:56 am PDT May 22, 2026
Forecast Valid:
4am PDT May 22, 2026-6pm PDT May 28, 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