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

82°F

28°C

Humidity 79%
Wind Speed S 8 mph
Barometer 29.82 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 18 Jun 1:15 pm CDT
Extended Forecast for

2 Miles WSW Cottontown TN

  • This Afternoon

    This Afternoon: Showers and thunderstorms. High near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 86 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 65. Calm wind becoming north northwest around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 81. North wind around 5 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 61. North wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming east southeast around 5 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Calm wind becoming southeast around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 72. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 72 °F

    Chance
    T-storms then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 82. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 82 °F

    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms. High near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 65. Calm wind becoming north northwest around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Mostly sunny, with a high near 81. North wind around 5 mph.
Friday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 61. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming east southeast around 5 mph.
Saturday Night
Partly cloudy, with a low around 66. Calm wind becoming southeast around 5 mph.
Sunday
A chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 72. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday
Showers and possibly a thunderstorm. High near 82. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Monday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Cottontown TN
 36.47°N 86.62°W (Elev. 804 ft)
Last Update:
1:31 pm CDT Jun 18, 2026
Forecast Valid:
1pm CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation