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

84°F

29°C

Humidity 28%
Wind Speed WNW 9 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 27 Aug 12:00 PM PDT
Extended Forecast for

Lewiston IDSimilar City Names

  • This Afternoon

    This Afternoon: Mostly cloudy early, then becoming sunny, with a high near 90. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Widespread haze after 2am. Mostly clear, with a low around 59. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 59 °F

    Mostly Clear
    then Haze

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Areas of smoke after 5am. Increasing clouds, with a low around 60. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy
    then Areas
    Smoke

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Light and variable wind becoming northwest 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Breezy.

    Low: 54 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy early, then becoming sunny, with a high near 90. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tonight
Widespread haze after 2am. Mostly clear, with a low around 59. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Friday
Sunny, with a high near 87. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Friday Night
Areas of smoke after 5am. Increasing clouds, with a low around 60. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 81. Light and variable wind becoming northwest 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 54. Breezy.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston IDSimilar City Names
 46.43°N 117.01°W (Elev. 784 ft)
Last Update:
11:32 am PDT Aug 27, 2026
Forecast Valid:
12pm PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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