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

Warren County Airport (KI68)

Lat: 39.46°NLon: 84.25°WElev: 989ft.

Overcast

64°F

18°C

Humidity 100%
Wind Speed NE 8 mph
Barometer 30.11 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 25 May 7:35 am EDT
Extended Forecast for

South Lebanon OH

  • Memorial Day

    Memorial Day: Mostly cloudy, with a high near 79. Northeast wind 5 to 7 mph.

    High: 79 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Partly sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 11am. High near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Memorial Day
Mostly cloudy, with a high near 79. Northeast wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers after 2pm. Partly sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers, with thunderstorms also possible after 11am. High near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Lebanon OH
 39.37°N 84.21°W (Elev. 797 ft)
Last Update:
6:36 am EDT May 25, 2026
Forecast Valid:
7am EDT May 25, 2026-6pm EDT May 31, 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