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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

6 Miles WNW Bethpage TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 71. South wind around 10 mph.

    Low: 71 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 89. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 67. South southwest wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 81. West southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. North northeast wind around 5 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Northeast wind around 5 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. Northeast wind around 5 mph becoming south southeast after midnight. Chance of precipitation is 80%.

    Low: 64 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 81. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 81 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 65. South southwest wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 71. South wind around 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 89. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 67. South southwest wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 81. West southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. North northeast wind around 5 mph. Chance of precipitation is 50%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Northeast wind around 5 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. Northeast wind around 5 mph becoming south southeast after midnight. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm. High near 81. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 65. South southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Memorial Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Bethpage TN
 36.55°N 86.39°W (Elev. 801 ft)
Last Update:
1:31 am CDT May 19, 2026
Forecast Valid:
3am CDT May 19, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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