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.

Partly Cloudy

77°F

25°C

Humidity 54%
Wind Speed W 13 G 22 mph
Barometer 30.02 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 16 Apr 12:15 pm CDT
Extended Forecast for

3 Miles SSE Portland TN

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. West southwest wind around 10 mph. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 59. West wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 85. South wind around 5 mph.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. South wind 5 to 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Sunny, with a high near 64. North northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Clear, with a low around 41. North northwest wind around 5 mph becoming northeast after midnight.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68. East wind around 5 mph becoming north northwest in the afternoon.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. West southwest wind around 10 mph. Chance of precipitation is 40%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 59. West wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 85. South wind around 5 mph.
Friday Night
Partly cloudy, with a low around 67. South wind 5 to 10 mph.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers before 1pm. Sunny, with a high near 64. North northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 41. North northwest wind around 5 mph becoming northeast after midnight.
Monday
Sunny, with a high near 68. East wind around 5 mph becoming north northwest in the afternoon.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Portland TN
 36.56°N 86.5°W (Elev. 801 ft)
Last Update:
5:31 am CDT Apr 16, 2026
Forecast Valid:
12pm CDT Apr 16, 2026-6pm CDT Apr 22, 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