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.

Overcast

75°F

24°C

Humidity 89%
Wind Speed Vrbl 5 mph
Barometer 30.10 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 25 Jul 9:35 am CDT
Extended Forecast for

Westmoreland TN

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Heat index values as high as 98. Calm wind becoming northwest around 5 mph.

    High: 89 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 91 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Southwest wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. North wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. North wind 5 to 10 mph.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 71. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Heat index values as high as 98. Calm wind becoming northwest around 5 mph.
Sunday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 71. Calm wind.
Monday
A 20 percent chance of showers before 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 75. Calm wind becoming south southwest around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 93. Southwest wind 5 to 10 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 71. North wind around 5 mph.
Wednesday
Mostly sunny, with a high near 89. North wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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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:
6:31 am CDT Jul 25, 2026
Forecast Valid:
9am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation