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

54°F

12°C

Humidity 87%
Wind Speed S 4 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 18 Jun 03:05 AM PDT
Extended Forecast for

Fort Lewis WA

  • Overnight

    Overnight: A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 56. Light south southwest wind.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 69. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 69 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. West wind 5 to 9 mph becoming calm after midnight.

    Low: 45 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly cloudy, with a high near 69. Calm wind becoming north northwest around 6 mph in the morning.

    High: 69 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. West northwest wind 6 to 9 mph becoming south after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 11am. Cloudy, with a high near 62. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Showers

  • Saturday

    Saturday: Showers, mainly before 11am. Mostly cloudy, with a high near 61.

    High: 61 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 56. Light south southwest wind.
Wednesday
A 50 percent chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 69. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 45. West wind 5 to 9 mph becoming calm after midnight.
Juneteenth
Mostly cloudy, with a high near 69. Calm wind becoming north northwest around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 48. West northwest wind 6 to 9 mph becoming south after midnight.
Friday
Showers likely, mainly after 11am. Cloudy, with a high near 62. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers. Low around 49. Chance of precipitation is 80%.
Saturday
Showers, mainly before 11am. Mostly cloudy, with a high near 61.
Saturday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 51.
Sunday
A slight chance of showers after 11am. Mostly cloudy, with a high near 71.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 82.
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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:
2:47 am PDT Jun 18, 2025
Forecast Valid:
3am PDT Jun 18, 2025-6pm PDT Jun 24, 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