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

  • Today

    Today: A 40 percent chance of showers between 1pm and 5pm. Cloudy, with a high near 63. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 3am. Mostly cloudy, with a low around 57. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a chance of showers after noon. Partly sunny, with a high near 71. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 53. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 60. West wind 5 to 10 mph.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 41. West northwest wind around 5 mph becoming northeast after midnight.

    Low: 41 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 55. Northeast wind around 5 mph.

    High: 55 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 30 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 39. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers between 1pm and 5pm. Cloudy, with a high near 63. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Showers likely, mainly after 3am. Mostly cloudy, with a low around 57. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers and thunderstorms before 10am, then a chance of showers after noon. Partly sunny, with a high near 71. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
Showers likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 53. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 60. West wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 41. West northwest wind around 5 mph becoming northeast after midnight.
Saturday
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 55. Northeast wind around 5 mph.
Saturday Night
A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 39. West northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Sunny, with a high near 44.
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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:
5:41 am CST Feb 18, 2026
Forecast Valid:
10am CST Feb 18, 2026-6pm CST Feb 24, 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