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.

Clear

63°F

17°C

Humidity 71%
Wind Speed NW 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 03 Oct 12:55 PM PDT
Extended Forecast for

Fort Lewis WA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 4pm. Mostly sunny, with a high near 68. West wind around 6 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 3am. Mostly cloudy, with a low around 51. Light and variable wind.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 11am. Mostly cloudy, with a high near 65. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 46. North northeast wind 3 to 5 mph.

    Low: 46 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66. Light northeast wind becoming north northeast 5 to 10 mph in the morning.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 4pm. Mostly sunny, with a high near 68. West wind around 6 mph.
Tonight
A 50 percent chance of showers, mainly before 3am. Mostly cloudy, with a low around 51. Light and variable wind.
Saturday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 65. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 46. North northeast wind 3 to 5 mph.
Sunday
Sunny, with a high near 66. Light northeast wind becoming north northeast 5 to 10 mph in the morning.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 70.
Monday Night
Clear, with a low around 44.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
A chance of rain. Mostly sunny, with a high near 67.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Lewis WA
 47.1°N 122.58°W (Elev. 299 ft)
Last Update:
8:00 am PDT Oct 3, 2025
Forecast Valid:
1pm PDT Oct 3, 2025-6pm PDT Oct 9, 2025
 
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