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

Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Hazardous Weather Conditions

Current conditions at

Cincinnati, Cincinnati Municipal Airport Lunken Field (KLUK)

Lat: 39.11°NLon: 84.42°WElev: 482ft.

Fair

87°F

31°C

Humidity 67%
Wind Speed Calm
Barometer 29.83 in (1009.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 20 Sep 5:53 pm EDT
Extended Forecast for

Cincinnati OH

Flood Watch September 20, 07:00pm until September 21, 08:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 67. Light and variable wind becoming northeast around 6 mph in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 79. North wind 3 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 59. Northeast wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers before 2pm. Mostly cloudy, with a high near 74. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. Northeast wind 3 to 8 mph.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 20%.

    High: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Thursday Night

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

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 67. Light and variable wind becoming northeast around 6 mph in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 79. North wind 3 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 59. Northeast wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A slight chance of showers before 2pm. Mostly cloudy, with a high near 74. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 59. Northeast wind 3 to 8 mph.
Wednesday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cincinnati OH
 39.1°N 84.5°W (Elev. 600 ft)
Last Update:
4:00 pm EDT Sep 20, 2026
Forecast Valid:
6pm EDT Sep 20, 2026-6pm EDT Sep 27, 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