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

53°F

12°C

Humidity 82%
Wind Speed SW 8 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 22 Nov 08:55 PM PST
Extended Forecast for

Fort Lewis WA

  • Tonight

    Tonight: Showers, mainly after 2am. Low around 46. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers, mainly before 8am. High near 52. South southwest wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely, mainly after 4am. Mostly cloudy, with a low around 37. South southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 10am. Partly sunny, with a high near 49. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 10 percent chance of showers after 4am. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Showers likely, mainly after 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 45. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Showers. Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Showers

  • Wednesday

    Wednesday: Showers. Cloudy, with a high near 52.

    High: 52 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Cloudy, with a low around 46.

    Low: 46 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers, mainly after 2am. Low around 46. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before 8am. High near 52. South southwest wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers likely, mainly after 4am. Mostly cloudy, with a low around 37. South southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely, mainly before 10am. Partly sunny, with a high near 49. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 10 percent chance of showers after 4am. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Tuesday
Showers likely, mainly after 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 45. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers. Low around 40. Chance of precipitation is 90%.
Wednesday
Showers. Cloudy, with a high near 52.
Wednesday Night
Showers likely. Cloudy, with a low around 46.
Thanksgiving Day
Showers likely. Mostly cloudy, with a high near 54.
Thursday Night
Showers likely. Mostly cloudy, with a low around 45.
Friday
Showers likely. Mostly cloudy, with a high near 52.
Friday Night
Showers likely. Mostly cloudy, with a low around 39.
Saturday
A chance of showers. Mostly cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Lewis WA
 47.1°N 122.58°W (Elev. 299 ft)
Last Update:
7:01 pm PST Nov 22, 2025
Forecast Valid:
9pm PST Nov 22, 2025-6pm PST Nov 29, 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