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

77°F

25°C

Humidity 83%
Wind Speed S 8 mph
Barometer 29.92 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 23 Jun 6:35 am CDT
Extended Forecast for

Portland TN

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 91. Heat index values as high as 99. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68. West wind around 5 mph.

    Low: 68 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. North northeast wind around 5 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 68. North northeast wind around 5 mph becoming calm.

    Low: 68 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Southeast wind around 5 mph becoming southwest in the afternoon.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 60%.

    High: 90 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 70. West northwest wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88. North northeast wind around 5 mph.

    High: 88 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 91. Heat index values as high as 99. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68. West wind around 5 mph.
Monday
Sunny, with a high near 89. North northeast wind around 5 mph.
Monday Night
Clear, with a low around 68. North northeast wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 94. Southeast wind around 5 mph becoming southwest in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind around 5 mph.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 70. West northwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88. North northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 94.
Friday Night
Partly cloudy, with a low around 75.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland TN
 36.58°N 86.53°W (Elev. 810 ft)
Last Update:
2:08 am CDT Jun 23, 2024
Forecast Valid:
6am CDT Jun 23, 2024-6pm CDT Jun 29, 2024
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation