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

82°F

28°C

Humidity 48%
Wind Speed S 5 mph
Barometer 30.02 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Jun 1:15 pm CDT
Extended Forecast for

5 Miles NW Red Boiling Springs TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny, with a high near 87. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

    High: 87 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a low around 72. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 82. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 82 °F

    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 65. West northwest wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.

    High: 82 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 85. Calm wind.
Tonight
Mostly clear, with a low around 63. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny, with a high near 87. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a low around 72. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 82. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 65. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 63. Calm wind.
Wednesday
Sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 84.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Red Boiling Springs TN
 36.59°N 85.92°W (Elev. 820 ft)
Last Update:
12:41 pm CDT Jun 20, 2026
Forecast Valid:
1pm CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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Additional Resources

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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