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

66°F

19°C

Humidity 45%
Wind Speed NW 18 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Mar 05:15 PM PDT
Extended Forecast for

Lewiston IDSimilar City Names

  • Tonight

    Tonight: A slight chance of rain before 11pm, then rain likely after 2am. Mostly cloudy, with a low around 52. Calm wind becoming northwest 5 to 8 mph in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Slight Chance
    Rain then
    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 60. West wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain Likely
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. West wind 5 to 10 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 58. Light and variable wind.

    High: 58 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. North wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Tonight
A slight chance of rain before 11pm, then rain likely after 2am. Mostly cloudy, with a low around 52. Calm wind becoming northwest 5 to 8 mph in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 60. West wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 37. West wind 5 to 10 mph.
Sunday
Increasing clouds, with a high near 58. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 39. North wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 60.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 61.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 60.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston IDSimilar City Names
 46.43°N 117.01°W (Elev. 784 ft)
Last Update:
5:21 pm PDT Mar 20, 2026
Forecast Valid:
5pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation