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.

Rain

41°F

5°C

Humidity 97%
Wind Speed ESE 3 MPH
Barometer 29.63 in (1003.39 mb)
Dewpoint 40°F (4°C)
Visibility 9.00 mi
Last update 25 Dec 05:55 PM PST
Extended Forecast for

Fort Lewis WA

  • Tonight

    Tonight: A chance of rain before 7pm, then a slight chance of rain after midnight. Mostly cloudy, with a low around 36. South southeast wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain

  • Friday

    Friday: Rain. High near 44. West southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Rain

  • Friday Night

    Friday Night: Rain likely before 10pm, then a chance of rain and snow. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Light west wind.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of rain before 7pm, then a slight chance of rain after midnight. Mostly cloudy, with a low around 36. South southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
Rain. High near 44. West southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely before 10pm, then a chance of rain and snow. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
Mostly sunny, with a high near 42. Light west wind.
Saturday Night
Mostly cloudy, with a low around 30. Calm wind.
Sunday
Mostly cloudy, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly cloudy, with a high near 45.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 46.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Wednesday
A chance of rain. Cloudy, with a high near 48.
Wednesday Night
A chance of rain. Cloudy, with a low around 39.
New Year's Day
Rain likely. Mostly cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Lewis WA
 47.1°N 122.61°W (Elev. 299 ft)
Last Update:
2:59 pm PST Dec 25, 2025
Forecast Valid:
6pm PST Dec 25, 2025-6pm PST Jan 1, 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