Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

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 70%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Oct 09:15 AM PDT
Extended Forecast for

Lewiston ID

  • Today

    Today: Sunny, with a high near 68. Calm wind.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Calm wind becoming southeast around 5 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 66. Calm wind becoming west around 5 mph in the afternoon.

    High: 66 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. West wind around 5 mph becoming calm  in the evening.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers.  Partly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 68. Calm wind.
Tonight
Increasing clouds, with a low around 42. Calm wind becoming southeast around 5 mph.
Monday
Mostly cloudy, with a high near 66. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 41. West wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 66. Calm wind.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 45.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 65.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 116.97°W (Elev. 1407 ft)
2:26 am PDT Oct 18, 2026
9am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
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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