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

34°F

1°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 30.55 in (1034.54 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 28 Dec 11:55 PM PST
Extended Forecast for

Fort Lewis WA

  • Overnight

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

    Low: 31 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Areas of freezing fog before 9am. Otherwise, partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Areas
    Freezing Fog
    and Patchy
    Fog then
    Partly Sunny

  • Monday Night

    Monday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Patchy Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A slight chance of rain after 10am. Mostly cloudy, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 4am. Cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Monday
Patchy fog before 11am. Areas of freezing fog before 9am. Otherwise, partly sunny, with a high near 45. Calm wind.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 30. Calm wind.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 45. Calm wind.
Tuesday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 31. Calm wind.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 34.
New Year's Day
A slight chance of rain after 10am. Mostly cloudy, with a high near 48.
Thursday Night
Rain likely, mainly after 4am. Cloudy, with a low around 39.
Friday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 49.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Mostly cloudy, with a high near 48.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 47.
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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:
7:01 pm PST Dec 28, 2025
Forecast Valid:
12am PST Dec 29, 2025-6pm PST Jan 4, 2026
 
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Additional Resources

Radar & Satellite Image

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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