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.

Mist

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 37°F (3°C)
Visibility 1.25 mi
Last update 31 Dec 03:10 PM PST
Extended Forecast for

2 Miles ENE Fort Lewis WA

  • Tonight

    Tonight: Widespread dense fog, mainly between 2am and 3am. Patchy frost between 7pm and 9pm. Otherwise, increasing clouds, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Frost
    and Patchy
    Fog then
    Dense Fog

  • New Year's Day

    New Year's Day: Rain likely, mainly after 4pm. Areas of dense fog before noon. Otherwise, cloudy, with a high near 44. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Slight Chance
    Rain and
    Areas Dense
    Fog then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain. Low around 39. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Friday

    Friday: Rain. High near 51. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 43. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 53. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: Rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain

  • Sunday Night

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

    Low: 40 °F

    Rain Likely

Detailed Forecast

Tonight
Widespread dense fog, mainly between 2am and 3am. Patchy frost between 7pm and 9pm. Otherwise, increasing clouds, with a low around 32. Calm wind.
New Year's Day
Rain likely, mainly after 4pm. Areas of dense fog before noon. Otherwise, cloudy, with a high near 44. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 39. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 51. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely. Cloudy, with a low around 43. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 53. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 42. Chance of precipitation is 80%.
Sunday
Rain. Mostly cloudy, with a high near 50.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Mostly cloudy, with a high near 49.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Mostly cloudy, with a high near 48.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 38.
Wednesday
Rain likely. Mostly cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Fort Lewis WA
 47.13°N 122.55°W (Elev. 299 ft)
Last Update:
1:25 pm PST Dec 31, 2025
Forecast Valid:
3pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
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