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

73°F

23°C

Humidity 57%
Wind Speed S 20 G 28 mph
Barometer 29.89 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Nov 2:35 pm CST
Extended Forecast for

5 Miles NNW Red Boiling Springs TN

  • This Afternoon

    This Afternoon: A slight chance of showers before 4pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 70. South southwest wind around 10 mph. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Low around 58. South southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 69. Calm wind becoming west northwest around 5 mph.

    High: 69 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Patchy Fog

  • Thursday

    Thursday: A 40 percent chance of showers after noon. Patchy fog before 8am. Otherwise, cloudy, with a high near 66. Calm wind becoming south southeast around 5 mph.

    High: 66 °F

    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 57. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 69. South southwest wind around 5 mph. Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 57. South southwest wind around 5 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 67. Southwest wind around 5 mph becoming north northwest in the afternoon.

    High: 67 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A slight chance of showers before 4pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 70. South southwest wind around 10 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Low around 58. South southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly cloudy, with a high near 69. Calm wind becoming west northwest around 5 mph.
Wednesday Night
Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 51. Calm wind.
Thursday
A 40 percent chance of showers after noon. Patchy fog before 8am. Otherwise, cloudy, with a high near 66. Calm wind becoming south southeast around 5 mph.
Thursday Night
Showers and possibly a thunderstorm. Low around 57. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 80%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 69. South southwest wind around 5 mph. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm. Low around 57. South southwest wind around 5 mph. Chance of precipitation is 90%.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 67. Southwest wind around 5 mph becoming north northwest in the afternoon.
Saturday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 43.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Red Boiling Springs TN
 36.59°N 85.89°W (Elev. 791 ft)
Last Update:
2:36 pm CST Nov 18, 2025
Forecast Valid:
3pm CST Nov 18, 2025-6pm CST Nov 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation