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

48°F

9°C

Humidity 79%
Wind Speed S 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 17 Jun 03:55 AM PDT
Extended Forecast for

Fort Lewis WA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 75 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A slight chance of showers before 2am, then a slight chance of showers after 4am. Increasing clouds, with a low around 54. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 68. West southwest wind 6 to 11 mph.

    High: 68 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. West southwest wind 5 to 10 mph becoming light south southwest in the evening.

    Low: 46 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 70. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 11am. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers. Mostly cloudy, with a high near 62.

    High: 62 °F

    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming west 5 to 8 mph in the afternoon.
Tonight
A slight chance of showers before 2am, then a slight chance of showers after 4am. Increasing clouds, with a low around 54. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 68. West southwest wind 6 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 46. West southwest wind 5 to 10 mph becoming light south southwest in the evening.
Juneteenth
Partly sunny, with a high near 70. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Friday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 48.
Saturday
Showers. Mostly cloudy, with a high near 62.
Saturday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 50.
Sunday
A chance of showers. Mostly cloudy, with a high near 69.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 77.
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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:
3:40 am PDT Jun 17, 2025
Forecast Valid:
4am PDT Jun 17, 2025-6pm PDT Jun 23, 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