THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM WATCH 564 TO INCLUDE THE FOLLOWING AREAS UNTIL 2 PM EDT THIS AFTERNOON IN OHIO THIS WATCH INCLUDES 2 COUNTIES IN CENTRAL OHIO FRANKLIN PICKAWAY THIS INCLUDES THE CITIES OF CIRCLEVILLE AND DOWNTOWN COLUMBUS.
Local weather forecast
Weather in Marengo, OH
Updated 2026-08-11 13:00 local time · ZIP codes 43334
Now70°F
Sunny
High / Low85° / 67°
Rain chance84%
Wind11 mph
Weather alerts
2Active alerts
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Fairfield County in central Ohio... Eastern Franklin County in central Ohio... Hocking County in central Ohio... Licking County in central Ohio... Eastern Pickaway County in central Ohio... Northeastern Ross County in south central Ohio... * WHEN...Until 145 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 1050 AM EDT, radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 1.5 inches of rain have fallen. Additional rainfall amounts of 1 to 1.5 inches are possible. - Some locations that may experience flooding include... Columbus, Newark, Lancaster, Westerville, Reynoldsburg, Gahanna, Pickerington, Circleville, Bexley, Heath, Logan, Granville, Pataskala, Canal Winchester, Groveport and Ashville.
Safety instructions
Keep children away from storm drains, culverts, creeks and streams. Water levels can rise rapidly and sweep children away. Be aware of your surroundings and do not drive on flooded roads. To report flooding, go to our website at weather.gov/iln and submit your report via social media, when you can do so safely.
Hourly
Next hours
Now70°11% rain
70°11% rain2 PM84°9% rain
84°9% rain3 PM85°7% rain
85°7% rain4 PM
77°33% rain
77°33% rain5 PM
68°88% rain
68°88% rain6 PM
69°88% rain
69°88% rain7 PM73°62% rain
73°62% rain8 PM69°44% rain
69°44% rain9 PM
68°18% rain
68°18% rain10 PM68°18% rain
68°18% rain11 PM67°19% rain
67°19% rain12 AM66°21% rain
66°21% rainForecast
3-day weather forecast
Today2026-08-11
85° 67°Sunny
Rain 84%Gust 24 mph
Tomorrow2026-08-12
75° 63°Fog
Rain 91%Gust 8 mph
Thursday2026-08-13
81° 63°Partly Cloudy
Rain 21%Gust 6 mph
Conditions
Weather details
Feels like70°F
Humidity100%
Pressure29.99 inHg
Visibility10 mi
Wind11 mph SW
Wind gusts24 mph
Precipitation0.00 in
UV index4
Daylight
Sunrise, sunset and moon
Sunrise06:38 AM
Sunset08:34 PM
Moonrise04:37 AM
Moon phaseNew Moon
Practical guide
Weather insights for today
Take an umbrella
Rain chance reaches about 88% over the next 12 hours.
Light layers should work
It feels like 70°F with winds near 11 mph.
Best window: 1 PM
70°F, 11% rain chance and 11 mph wind.
Use extra caution while driving
Visibility is around 10 mi; gusts may reach 42 mph.
Running conditions are less comfortable
Current temperature is 70°F, wind 11 mph, rain chance up to 88%.
Moderate UV protection recommended
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Marengo weather today
Sunny and 70°F in Marengo, OH. Today's high is 85°F with a 84% rain chance. Winds are around 11 mph with gusts near 24 mph. Relative humidity is 100%, pressure is 29.99 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Marengo
Sunrise is at 06:38 AM and sunset is at 08:34 PM. Tomorrow's forecast calls for Fog with a high near 75°F and a low near 63°F. The maximum rain chance is 91%.
Nearby
Weather near Marengo
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