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

79°F

26°C

Humidity 94%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Jul 9:15 pm CDT
Extended Forecast for

3 Miles NW Cottontown TN

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 74. Calm wind becoming south around 5 mph.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 92. Heat index values as high as 102. South southwest wind 5 to 10 mph.

    High: 92 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 5am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm. Chance of precipitation is 10%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 7am. Mostly sunny, with a high near 92. Heat index values as high as 100. Southwest wind around 5 mph.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. South southwest wind around 5 mph becoming calm.

    Low: 74 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. South southwest wind around 5 mph.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm.

    Low: 74 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Southwest wind around 5 mph.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74. South southwest wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 74. Calm wind becoming south around 5 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 92. Heat index values as high as 102. South southwest wind 5 to 10 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 5am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm. Chance of precipitation is 10%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 7am. Mostly sunny, with a high near 92. Heat index values as high as 100. Southwest wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. South southwest wind around 5 mph becoming calm.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. South southwest wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Southwest wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 74. South southwest wind around 5 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Cottontown TN
 36.52°N 86.65°W (Elev. 758 ft)
Last Update:
10:39 pm CDT Jul 15, 2025
Forecast Valid:
10pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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