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.

Fog/Mist

72°F

22°C

Humidity 94%
Wind Speed N 14 mph
Barometer 29.95 in
Dewpoint 70°F (21°C)
Visibility 1.75 mi
Last update 22 Jun 7:15 pm CDT
Extended Forecast for

6 Miles WNW Lafayette TN

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 10pm. Some of the storms could produce heavy rainfall. Low around 63. North northwest wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 63 °F

    Heavy Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 80. North wind around 5 mph.

    High: 80 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. North wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, sunny, with a high near 84. Calm wind becoming east southeast around 5 mph.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

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

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind around 5 mph.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind around 5 mph.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 10pm. Some of the storms could produce heavy rainfall. Low around 63. North northwest wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 80. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 59. North wind around 5 mph becoming calm.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 84. Calm wind becoming east southeast around 5 mph.
Wednesday Night
Partly cloudy, with a low around 66. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind around 5 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind around 5 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Lafayette TN
 36.56°N 86.11°W (Elev. 899 ft)
Last Update:
6:26 pm CDT Jun 22, 2026
Forecast Valid:
7pm CDT Jun 22, 2026-6pm CDT Jun 29, 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