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

Hazardous Weather Conditions

Current conditions at

Greater Portsmouth Regional Airport (KPMH)

Lat: 38.84°NLon: 82.85°WElev: 663ft.

Fair

75°F

24°C

Humidity 100%
Wind Speed N 3 mph
Barometer 29.94 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 17 Aug 9:55 pm EDT
Extended Forecast for

South Portsmouth KY

Flood Watch August 17, 10:20pm until August 18, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 17, 10:20pm until August 18, 02:00am

    NOW until 2:00am Tue

    Flood Watch

  • Tonight

    Low: 66 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 83. Light northwest wind.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Light west wind.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Scattered
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely before 11am, then scattered showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 66. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 83. Light northwest wind.
Tuesday Night
Mostly clear, with a low around 62. Calm wind.
Wednesday
Mostly sunny, with a high near 84. Light west wind.
Wednesday Night
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely before 11am, then scattered showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 61.
Saturday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 82.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Portsmouth KY
 38.74°N 83°W (Elev. 512 ft)
Last Update:
7:48 pm EDT Aug 17, 2026
Forecast Valid:
10pm EDT Aug 17, 2026-6pm EDT Aug 24, 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