National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Tacoma / McChord Air Force Base (KTCM)

Lat: 47.15°NLon: 122.48333°WElev: 322.0ft.

Overcast

54°F

12°C

Humidity 81%
Wind Speed S 4 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 14 Oct 05:55 AM PDT
Extended Forecast for

Fort Lewis WA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 46. Calm wind.

    Low: 46 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Calm wind becoming north around 6 mph in the afternoon.

    High: 71 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. North northeast wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 74. Calm wind.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain before 11am. Partly sunny, with a high near 64.

    High: 64 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 67. Light and variable wind.
Tonight
Increasing clouds, with a low around 46. Calm wind.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 43. North northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 74. Calm wind.
Friday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 52.
Saturday
A 50 percent chance of rain before 11am. Partly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 60.
Sunday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 42.
Monday
A chance of rain. Cloudy, with a high near 57.
Monday Night
A chance of rain. Mostly cloudy, with a low around 42.
Tuesday
A slight chance of rain. Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Lewis WA
 47.12°N 122.58°W (Elev. 295 ft)
Last Update:
12:30 am PDT Oct 14, 2026
Forecast Valid:
6am PDT Oct 14, 2026-6pm PDT Oct 20, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation