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

56°F

13°C

Humidity 68%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 14 Oct 12:55 AM PDT
Extended Forecast for

Roy WA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 67. Calm wind.

    High: 67 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 44. Calm wind.

    Low: 44 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Light north wind.

    High: 72 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 11am. Partly sunny, with a high near 64.

    High: 64 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 52. Calm wind.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 67. Calm wind.
Wednesday Night
Increasing clouds, with a low around 44. Calm wind.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Light north wind.
Thursday Night
Mostly clear, with a low around 44. Calm wind.
Friday
Mostly sunny, with a high near 75.
Friday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 51.
Saturday
A chance of rain before 11am. Partly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 60.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Monday
A chance of rain. Cloudy, with a high near 58.
Monday Night
A chance of rain. Mostly cloudy, with a low around 40.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roy WA
 47.02°N 122.52°W (Elev. 384 ft)
Last Update:
12:30 am PDT Oct 14, 2026
Forecast Valid:
1am PDT Oct 14, 2026-6pm PDT Oct 20, 2026
 
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