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 cloudy, with a low around 57. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 7am and 8am. Cloudy, with a high near 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers then
    Cloudy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 58. South southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 72. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 51. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 61. West wind 5 to 10 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

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

    Low: 41 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly sunny, with a high near 57. Northeast wind around 5 mph.

    High: 57 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain showers before midnight, then a chance of rain and snow showers. Partly cloudy, with a low around 32. North northwest wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 32 °F

    Chance
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of showers between 7am and 8am. Cloudy, with a high near 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday Night
Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 58. South southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 72. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 51. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 61. West wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 41. Northwest wind around 5 mph becoming northeast after midnight.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 57. Northeast wind around 5 mph.
Saturday Night
A chance of rain showers before midnight, then a chance of rain and snow showers. Partly cloudy, with a low around 32. North northwest wind 5 to 10 mph. Chance of precipitation is 50%.
Sunday
A 20 percent chance of snow showers. Mostly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 46.
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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:
12:31 pm CST Feb 17, 2026
Forecast Valid:
6pm CST Feb 17, 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