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

44°F

7°C

Humidity 82%
Wind Speed SSE 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 23 Apr 01:56 AM PDT
Extended Forecast for

Lewiston ID

  • Overnight

    Overnight: Mostly clear early, then becoming mostly cloudy, with a low around 41. West wind around 11 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 58. Breezy, with a west wind 13 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 37. Northwest wind 5 to 13 mph becoming south in the evening. Winds could gust as high as 22 mph.

    Low: 37 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56. West wind 5 to 8 mph becoming north in the morning.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Widespread frost after 3am. Otherwise, mostly clear, with a low around 33. North wind 5 to 8 mph becoming calm in the evening.

    Low: 33 °F

    Partly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost before 7am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

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

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear early, then becoming mostly cloudy, with a low around 41. West wind around 11 mph, with gusts as high as 20 mph.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 58. Breezy, with a west wind 13 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 37. Northwest wind 5 to 13 mph becoming south in the evening. Winds could gust as high as 22 mph.
Friday
Mostly sunny, with a high near 56. West wind 5 to 8 mph becoming north in the morning.
Friday Night
Widespread frost after 3am. Otherwise, mostly clear, with a low around 33. North wind 5 to 8 mph becoming calm in the evening.
Saturday
Widespread frost before 7am. Otherwise, sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.37°N 116.99°W (Elev. 1204 ft)
Last Update:
2:06 am PDT Apr 23, 2026
Forecast Valid:
2am PDT Apr 23, 2026-6pm PDT Apr 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation