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.

Partly Cloudy

48°F

9°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Mar 07:30 AM PDT
Extended Forecast for

Lewiston ID

  • Today

    Today: Partly sunny, with a high near 76. Light and variable wind becoming west 6 to 11 mph in the afternoon.

    High: 76 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 51. West wind 7 to 10 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain likely, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 59. West wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. West wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 56. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain. Cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 76. Light and variable wind becoming west 6 to 11 mph in the afternoon.
Tonight
A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 51. West wind 7 to 10 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 59. West wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 35. West wind 5 to 14 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 56. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly cloudy, with a high near 58.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A 40 percent chance of rain. Cloudy, with a high near 63.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 56.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 34.
Thursday
Sunny, with a high near 53.
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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:
3:42 am PDT Mar 20, 2026
Forecast Valid:
8am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
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Additional Resources

Radar & Satellite Image

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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