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

73°F

23°C

Humidity 31%
Wind Speed Vrbl 7 mph
Barometer 30.17 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 12 May 11:55 am CDT
Extended Forecast for

5 Miles NNW Lafayette TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. Calm wind.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Light south southwest wind increasing to 5 to 10 mph after midnight.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 78. South southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47. Northwest wind 5 to 10 mph becoming light north after midnight.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 71. North wind around 5 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 80. South wind 5 to 10 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South southwest wind around 5 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 77. Calm wind.
Tonight
Mostly clear, with a low around 57. Light south southwest wind increasing to 5 to 10 mph after midnight.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 78. South southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 47. Northwest wind 5 to 10 mph becoming light north after midnight.
Thursday
Sunny, with a high near 71. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 47. Calm wind.
Friday
Mostly sunny, with a high near 80. South wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South southwest wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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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:
10:56 am CDT May 12, 2026
Forecast Valid:
12pm CDT May 12, 2026-6pm CDT May 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation