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.

Partly Cloudy

81°F

27°C

Humidity 58%
Wind Speed S 7 G 15 mph
Barometer 30.01 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Apr 2:15 pm CDT
Extended Forecast for

Westmoreland TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 84. South southwest wind around 5 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Temperature rising to near 75 by 11am, then falling to around 62 during the remainder of the day. South southwest wind around 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F⇓

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 43. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 43 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 63. North wind 5 to 10 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43. West southwest wind around 5 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 67. Northeast wind around 5 mph becoming northwest in the afternoon.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Southwest wind 5 to 10 mph.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 84. South southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 66. South wind around 5 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Temperature rising to near 75 by 11am, then falling to around 62 during the remainder of the day. South southwest wind around 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 43. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Sunday
Sunny, with a high near 63. North wind 5 to 10 mph.
Sunday Night
Clear, with a low around 43. West southwest wind around 5 mph.
Monday
Sunny, with a high near 67. Northeast wind around 5 mph becoming northwest in the afternoon.
Monday Night
Clear, with a low around 46. Calm wind becoming south southeast around 5 mph after midnight.
Tuesday
Sunny, with a high near 77. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 82.
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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:
1:31 pm CDT Apr 17, 2026
Forecast Valid:
2pm CDT Apr 17, 2026-6pm CDT Apr 23, 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