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.

Mostly Cloudy

77°F

25°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.89 in
Dewpoint 77°F (25°C)
Visibility 8.00 mi
Heat Index78°F (26°C)
Last update 17 Jun 4:35 pm CDT
Extended Forecast for

5 Miles N Lafayette TN

  • This Afternoon

    This Afternoon: Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 82. South southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Heavy Rain

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 71. South southwest wind around 5 mph. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 86. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. South southwest wind around 10 mph. Chance of precipitation is 60%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Juneteenth

    Juneteenth: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 81. West southwest wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 81 °F

    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 67. Calm wind.

    Low: 67 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Calm wind becoming south around 5 mph in the morning.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 82. South southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 71. South southwest wind around 5 mph. Chance of precipitation is 40%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 86. South southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. South southwest wind around 10 mph. Chance of precipitation is 60%.
Juneteenth
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 81. West southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Thursday Night
Partly cloudy, with a low around 66. Calm wind.
Friday
Mostly sunny, with a high near 86. Calm wind.
Friday Night
Clear, with a low around 67. Calm wind.
Saturday
Sunny, with a high near 89. Calm wind becoming south around 5 mph in the morning.
Saturday Night
Clear, with a low around 70.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Lafayette TN
 36.6°N 86.05°W (Elev. 801 ft)
Last Update:
3:01 pm CDT Jun 17, 2025
Forecast Valid:
4pm CDT Jun 17, 2025-6pm CDT Jun 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