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.

Fog

34°F

1°C

Humidity 100%
Wind Speed S 3 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 34°F (1°C)
Visibility 0.12 mi
Last update 30 Dec 10:20 AM PST
Extended Forecast for

Fort Lewis WA

  • Today

    Today: Patchy fog before noon. Otherwise, partly sunny, with a high near 43. Calm wind.

    High: 43 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog

  • New Year's Day

    New Year's Day: A 30 percent chance of rain after 10am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 46. Calm wind.

    High: 46 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 38. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Rain

  • Friday Night

    Friday Night: Rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain

  • Saturday

    Saturday: Rain likely. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain Likely

Detailed Forecast

Today
Patchy fog before noon. Otherwise, partly sunny, with a high near 43. Calm wind.
Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 45. Calm wind.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 32. Calm wind.
New Year's Day
A 30 percent chance of rain after 10am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 46. Calm wind.
Thursday Night
Rain likely. Cloudy, with a low around 38. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 49. Chance of precipitation is 80%.
Friday Night
Rain. Mostly cloudy, with a low around 40.
Saturday
Rain likely. Mostly cloudy, with a high near 48.
Saturday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Mostly cloudy, with a high near 48.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 39.
Monday
A chance of rain. 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 122.58°W (Elev. 299 ft)
Last Update:
7:01 am PST Dec 30, 2025
Forecast Valid:
10am PST Dec 30, 2025-6pm PST Jan 5, 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