National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Portland Municipal Airport (K1M5)

Lat: 36.59°NLon: 86.48°WElev: 818ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Westmoreland TN

  • Tonight

    Tonight: Mostly clear, with a low around 36. Calm wind becoming south around 5 mph after midnight.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 59. South wind around 5 mph.

    High: 59 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly after 11pm. Low around 47. South southeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Showers
    Likely then
    Showers

  • Sunday

    Sunday: Showers. High near 53. Southeast wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 100%.

    High: 53 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. North northeast wind around 5 mph.

    Low: 45 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 61. Northeast wind around 5 mph becoming calm in the morning.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. Calm wind becoming south around 5 mph after midnight.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. South southwest wind 5 to 10 mph.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Calm wind becoming south around 5 mph after midnight.
Saturday
A 40 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 59. South wind around 5 mph.
Saturday Night
Showers, mainly after 11pm. Low around 47. South southeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Showers. High near 53. Southeast wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 100%.
Sunday Night
Mostly cloudy, with a low around 45. North northeast wind around 5 mph.
Washington's Birthday
Mostly sunny, with a high near 61. Northeast wind around 5 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 45. Calm wind becoming south around 5 mph after midnight.
Tuesday
Mostly cloudy, with a high near 65. South southwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 55. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 69.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 70.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westmoreland TN
 36.57°N 86.25°W (Elev. 860 ft)
Last Update:
2:36 pm CST Feb 13, 2026
Forecast Valid:
5pm CST Feb 13, 2026-6pm CST Feb 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