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

2 Miles SE Portland TN

  • Today

    Today: Sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 71. South wind around 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 89. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 67. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 10am. High near 81. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Northeast wind around 5 mph. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Northeast wind around 5 mph. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. East northeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 79. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 79 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 71. South wind around 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 89. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 67. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.
Wednesday
Showers, with thunderstorms also possible after 10am. High near 81. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Northeast wind around 5 mph. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Northeast wind around 5 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. East northeast wind around 5 mph. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 79. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Portland TN
 36.56°N 86.48°W (Elev. 778 ft)
Last Update:
4:46 am CDT May 18, 2026
Forecast Valid:
7am CDT May 18, 2026-6pm CDT May 24, 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