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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Cincinnati, Cincinnati Municipal Airport Lunken Field (KLUK)

Lat: 39.11°NLon: 84.42°WElev: 482ft.

Overcast

80°F

27°C

Humidity 76%
Wind Speed NE 6 mph
Barometer 30.19 in (1021.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 Sep 11:53 am EDT
Extended Forecast for

Mariemont OH

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 83. Northeast wind 5 to 7 mph.

    High: 83 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 63. Northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 63 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Widespread fog, mainly before 8am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming southeast around 5 mph.

    High: 86 °F

    Fog then
    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 83. Northeast wind 5 to 7 mph.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 63. Northeast wind 5 to 7 mph becoming calm after midnight.
Saturday
Widespread fog, mainly before 8am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming southeast around 5 mph.
Saturday Night
A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Thursday
Mostly cloudy, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mariemont OH
 39.14°N 84.38°W (Elev. 561 ft)
Last Update:
7:56 am EDT Sep 18, 2026
Forecast Valid:
12pm EDT Sep 18, 2026-6pm EDT Sep 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