National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Greater Portsmouth Regional Airport (KPMH)

Lat: 38.84°NLon: 82.85°WElev: 663ft.

Fair

63°F

17°C

Humidity 52%
Wind Speed S 10 mph
Barometer 29.95 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Mar 12:15 pm EDT
Extended Forecast for

South Portsmouth KY

  • This Afternoon

    This Afternoon: A 30 percent chance of rain and thunderstorms, mainly before 3pm. Mostly cloudy, with a high near 73. Southwest wind around 11 mph, with gusts as high as 23 mph.

    High: 73 °F

    Chance Rain

  • Tonight

    Tonight: A 40 percent chance of rain and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 48. West wind 5 to 7 mph becoming light and variable after midnight.

    Low: 48 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind.

    High: 71 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Light south wind.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of rain, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 46. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain and thunderstorms, mainly before 3pm. Mostly cloudy, with a high near 73. Southwest wind around 11 mph, with gusts as high as 23 mph.
Tonight
A 40 percent chance of rain and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 48. West wind 5 to 7 mph becoming light and variable after midnight.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind.
Saturday Night
Mostly clear, with a low around 51. Light south wind.
Sunday
Sunny, with a high near 84. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Sunday Night
A chance of rain, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 46. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Portsmouth KY
 38.72°N 83.03°W (Elev. 545 ft)
Last Update:
6:52 am EDT Mar 20, 2026
Forecast Valid:
12pm EDT Mar 20, 2026-6pm EDT Mar 26, 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