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

91°F

33°C

Humidity 52%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 16 Aug 2:15 pm CDT
Extended Forecast for

6 Miles NW Red Boiling Springs TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 94. Heat index values as high as 102. Calm wind.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming north around 5 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 71. Northeast wind around 5 mph becoming calm.

    Low: 71 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Calm wind becoming north northeast around 5 mph.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 94. Heat index values as high as 102. Calm wind.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 72. Calm wind.
Sunday
Sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming north around 5 mph.
Sunday Night
Mostly clear, with a low around 72. Calm wind.
Monday
Sunny, with a high near 95. Calm wind becoming north northeast around 5 mph in the afternoon.
Monday Night
Clear, with a low around 71. Northeast wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 96. Calm wind becoming north northeast around 5 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 73. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 67.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Red Boiling Springs TN
 36.59°N 85.92°W (Elev. 820 ft)
Last Update:
12:28 pm CDT Aug 16, 2025
Forecast Valid:
2pm CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation