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

Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Hazardous Weather Conditions

Current conditions at

Warren County Airport (KI68)

Lat: 39.46°NLon: 84.25°WElev: 989ft.

Fair

75°F

24°C

Humidity 65%
Wind Speed SE 6 mph
Barometer 30.12 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 20 Sep 11:15 am EDT
Extended Forecast for

South Middletown OH

  • Today

    Today: Mostly sunny, with a high near 91. Southeast wind 3 to 6 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Light east wind.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 65. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 91. Southeast wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 64. Light east wind.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 65. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Tuesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
South Middletown OH
 39.49°N 84.4°W (Elev. 741 ft)
Last Update:
6:27 am EDT Sep 20, 2025
Forecast Valid:
11am EDT Sep 20, 2025-6pm EDT Sep 26, 2025
 
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