Harper, Ohio Weather
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Weather Forecast for Harper, Ohio : Logan County
Issued: 4:00 am EDT Sep 3, 2025 Latitude: 40.4289419 Longitude: -83.7082656 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on Today 80% chance of thunderstorms on Tonight 60% chance of thunderstorms on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday Sunny on Sunday Sunny on Monday Partly Sunny on Tuesday
High: 80°F Low: 57°F High: 68°F High: 75°F High: 68°F High: 68°F High: 71°F High: 71°F
Low: 50°F Low: 48°F Low: 45°F Low: 44°F Low: 50°F  
Sunny Thunderstorms Thunderstorms Mostly Sunny Mostly Sunny Sunny Sunny Partly Sunny
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Current Conditions at
LIMA - (KAOH)
52°
Clear
as of 6:53 AM EDST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
6 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
MARION - (KMNN)
50°
Mostly Clear
as of 6:53 AM EDST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Few at 7500ft
Current Conditions at
FINDLAY - (KFDY)
54°
Clear
as of 6:53 AM EDST
Rel. Humidity: 81%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DAYTON - (KDAY)
61°
Mostly Clear
as of 6:56 AM EDST
Rel. Humidity: 82%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
7 MPH
190° South
Cloud Level(s): Few at 8000ft, Few at 25000ft
Sunny on Today Today... Sunny, with a high near 80. Southwest wind 5 to 14 mph.
80% chance of thunderstorms Tonight Tonight... Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 57. Southwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 68. West wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 50. Light and variable wind becoming south around 6 mph after midnight.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 75. South wind 13 to 17 mph, with gusts as high as 30 mph.
30% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 68.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 45.
Sunny on Sunday Sunday... Sunny, with a high near 68.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 44.
Sunny on Monday Monday... Sunny, with a high near 71.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 50.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 71.
Current Radar Image


Sun Almanac for Harper, Ohio
Sunrise: 07:05 AM
Sunset: 8:03 PM
Civil Sunrise:06:37 AM
Civil Sunset: 8:31 PM
Nautical Sunrise: 06:04 AM
Nautical Sunset: 9:04 PM
Astro Sunrise: 05:29 AM
Astro Sunset: 9:39 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.