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

65°F

18°C

Humidity 78%
Wind Speed SW 5 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 29 Sep 02:55 PM PDT
Extended Forecast for

3 Miles S Fort Lewis WA

  • This Afternoon

    This Afternoon: Showers. Steady temperature around 64. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Showers

  • Tonight

    Tonight: A 40 percent chance of showers between 2am and 4am. Cloudy during the early evening, then gradual clearing, with a low around 49. South wind 5 to 7 mph.

    Low: 49 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Rain, mainly after 1pm. Areas of fog before 9am. High near 68. Southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Areas Fog
    then Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 52. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain

  • Wednesday

    Wednesday: Rain likely before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Patchy fog before 9am. High near 66. South southwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers

  • Thursday

    Thursday: Showers. Patchy fog between 9am and 10am. High near 63. Chance of precipitation is 90%.

    High: 63 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers. Partly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Showers. Steady temperature around 64. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 40 percent chance of showers between 2am and 4am. Cloudy during the early evening, then gradual clearing, with a low around 49. South wind 5 to 7 mph.
Tuesday
Rain, mainly after 1pm. Areas of fog before 9am. High near 68. Southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 52. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Patchy fog before 9am. High near 66. South southwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers. Patchy fog between 9am and 10am. High near 63. Chance of precipitation is 90%.
Thursday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 49.
Friday
A slight chance of showers. Partly sunny, with a high near 65.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49.
Saturday
A chance of showers. Partly sunny, with a high near 64.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Fort Lewis WA
 47.05°N 122.6°W (Elev. 299 ft)
Last Update:
2:25 pm PDT Sep 29, 2025
Forecast Valid:
4pm PDT Sep 29, 2025-6pm PDT Oct 6, 2025
 
Forecast Discussion
 
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Additional Resources

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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