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

72°F

22°C

Humidity 39%
Wind Speed N 8 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 22 Sep 04:55 PM PDT
Extended Forecast for

Fort Lewis WA

  • Tonight

    Tonight: Mostly clear, with a low around 49. North wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Widespread haze after noon. Sunny, with a high near 77. Calm wind becoming north 5 to 7 mph in the morning.

    High: 77 °F

    Sunny then
    Haze

  • Tuesday Night

    Tuesday Night: Widespread haze between midnight and 2am. Areas of smoke before 11pm. Mostly clear, with a low around 51. North northeast wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Areas Smoke
    then Haze

  • Wednesday

    Wednesday: Sunny, with a high near 76. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. North wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain after 11am. Partly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A slight chance of rain before 11pm. Partly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 49. North wind around 5 mph becoming calm in the evening.
Tuesday
Widespread haze after noon. Sunny, with a high near 77. Calm wind becoming north 5 to 7 mph in the morning.
Tuesday Night
Widespread haze between midnight and 2am. Areas of smoke before 11pm. Mostly clear, with a low around 51. North northeast wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 76. Calm wind becoming north 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 49. North wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 49.
Friday
A slight chance of rain after 11am. Partly sunny, with a high near 69.
Friday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 51.
Saturday
A slight chance of rain after 11am. Mostly sunny, with a high near 73.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Sunday
A chance of rain. Partly sunny, with a high near 72.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 54.
Monday
A chance of rain. Mostly cloudy, with a high near 70.
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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:
2:25 pm PDT Sep 22, 2025
Forecast Valid:
5pm PDT Sep 22, 2025-6pm PDT Sep 29, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation