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.

Fair

82°F

28°C

Humidity 58%
Wind Speed S 10 mph
Barometer 29.99 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 16 May 5:55 pm CDT
Extended Forecast for

4 Miles NW Lafayette TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 90. South southwest wind 5 to 10 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 68. South wind 5 to 10 mph.

    Low: 68 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 90. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 71. South wind 5 to 10 mph.

    Low: 71 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. South southwest wind 5 to 10 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. Mostly cloudy, with a low around 68. South southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 84. South southwest wind around 5 mph. Chance of precipitation is 90%.

    High: 84 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 62. North wind around 5 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. South wind around 5 mph.
Sunday
Sunny, with a high near 90. South southwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 68. South wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 90. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 71. South wind 5 to 10 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. South southwest wind 5 to 10 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. Mostly cloudy, with a low around 68. South southwest wind around 5 mph. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm. High near 84. South southwest wind around 5 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 62. North wind around 5 mph. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 78.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Lafayette TN
 36.56°N 86.09°W (Elev. 801 ft)
Last Update:
5:56 pm CDT May 16, 2026
Forecast Valid:
6pm CDT May 16, 2026-6pm CDT May 23, 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