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

  • This Afternoon

    This Afternoon: A chance of flurries before 3pm. Sunny, with a high near 34. North northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 34 °F

    Chance
    Flurries

  • Tonight

    Tonight: Mostly clear, with a low around 19. Northwest wind around 5 mph becoming calm in the evening.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 46. Light south southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56. Southwest wind 5 to 10 mph.

    High: 56 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after midnight. Cloudy, with a low around 47. South wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers, with thunderstorms also possible after noon. High near 56. South southwest wind 5 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 80%.

    High: 56 °F

    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 35. North northwest wind around 5 mph becoming calm after midnight.

    Low: 35 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 57. Calm wind.

    High: 57 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of flurries before 3pm. Sunny, with a high near 34. North northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 19. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 46. Light south southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 40. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a high near 56. Southwest wind 5 to 10 mph.
Wednesday Night
Showers likely, mainly after midnight. Cloudy, with a low around 47. South wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday
Showers, with thunderstorms also possible after noon. High near 56. South southwest wind 5 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 80%.
Thursday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 35. North northwest wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 57. Calm wind.
Friday Night
Clear, with a low around 37.
Saturday
Sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westmoreland TN
 36.57°N 86.25°W (Elev. 860 ft)
Last Update:
12:31 pm CST Feb 23, 2026
Forecast Valid:
1pm CST Feb 23, 2026-6pm CST Mar 1, 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