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

81°F

27°C

Humidity 79%
Wind Speed S 12 G 17 mph
Barometer 29.71 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Jun 10:15 pm CDT
Extended Forecast for

4 Miles ESE Cottontown TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. High near 86. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 86 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 66. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 82. North wind around 5 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. North wind around 5 mph becoming calm.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Calm wind becoming southeast around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 86. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 71. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. High near 86. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 66. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Sunny, with a high near 82. North wind around 5 mph.
Friday Night
Partly cloudy, with a low around 62. North wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 85. Calm wind becoming southeast around 5 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 86. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 71. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Monday
Showers, with thunderstorms also possible after 1pm. High near 83. Chance of precipitation is 80%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Cottontown TN
 36.47°N 86.51°W (Elev. 801 ft)
Last Update:
10:26 pm CDT Jun 17, 2026
Forecast Valid:
10pm CDT Jun 17, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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