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

59°F

15°C

Humidity 17%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 17 Nov 4:15 pm CST
Extended Forecast for

5 Miles NNW Lafayette TN

  • Tonight

    Tonight: A 20 percent chance of showers after 5am. Increasing clouds, with a low around 43. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 43 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 69. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 58. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 70. Southwest wind around 5 mph becoming northwest in the afternoon.

    High: 70 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight. Patchy fog between 9pm and 5am. Otherwise, mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly after noon. Cloudy, with a high near 68. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 60%.

    High: 68 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 59. South southwest wind around 5 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after noon. High near 69. South southwest wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 54. Southwest wind around 5 mph. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers after 5am. Increasing clouds, with a low around 43. Calm wind becoming south southeast around 5 mph after midnight.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 69. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 58. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 70. Southwest wind around 5 mph becoming northwest in the afternoon.
Wednesday Night
A 30 percent chance of showers after midnight. Patchy fog between 9pm and 5am. Otherwise, mostly cloudy, with a low around 51. Calm wind.
Thursday
Showers likely, mainly after noon. Cloudy, with a high near 68. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm. Low around 59. South southwest wind around 5 mph. Chance of precipitation is 80%.
Friday
Showers likely, then showers and possibly a thunderstorm after noon. High near 69. South southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 54. Southwest wind around 5 mph. Chance of precipitation is 80%.
Saturday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 63.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 43.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Lafayette TN
 36.6°N 86.05°W (Elev. 801 ft)
Last Update:
2:52 pm CST Nov 17, 2025
Forecast Valid:
4pm CST Nov 17, 2025-6pm CST Nov 24, 2025
 
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