Harper, Ohio Weather
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Weather Forecast for Harper, Ohio : Logan County
Issued: 7:03 pm EDT Jun 28, 2025 Latitude: 40.4289419 Longitude: -83.7082656 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Independence Day Saturday
Morning Fog on Overnight Morning Fog on Sunday 90% chance of thunderstorms on Monday 30% chance of rain on Tuesday Sunny on Wednesday 30% chance of thunderstorms on Thursday Mostly Sunny on Independence Day 30% chance of thunderstorms on Saturday
Low: 67°F High: 87°F High: 84°F High: 82°F High: 83°F High: 84°F High: 84°F High: 87°F
Low: 70°F Low: 68°F Low: 62°F Low: 65°F Low: 64°F Low: 66°F  
Morning Fog Morning Fog Thunderstorms Rain Sunny Thunderstorms Mostly Sunny Thunderstorms
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Current Conditions at
LIMA - (KAOH)
70°
Clear
as of 11:53 PM EDST
Rel. Humidity: 88%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MARION - (KMNN)
73°
Clear
as of 11:53 PM EDST
Rel. Humidity: 73%
Dew Point: 64°F
Pressure: 30.05 in.
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
FINDLAY - (KFDY)
75°
Clear
as of 11:53 PM EDST
Rel. Humidity: 64%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DAYTON - (KDAY)
73°
Mostly Cloudy
as of 11:56 PM EDST
Rel. Humidity: 88%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
8 MPH
200° South
Cloud Level(s): Scattered at 4700ft, Broken at 19000ft
Morning Fog on Overnight Overnight... Patchy fog after 5am. Otherwise, mostly clear, with a low around 67. Calm wind.
Morning Fog on Sunday Sunday... Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Light southwest wind.
20% chance of thunderstorms Sunday Night Sunday Night... A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70. South wind 3 to 5 mph. Chance of precipitation is 20%.
90% chance of thunderstorms Monday Monday... Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 84. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
80% chance of thunderstorms Monday Night Monday Night... Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Low around 68. West wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
30% chance of rain Tuesday Tuesday... A chance of showers before 8am. Mostly sunny, with a high near 82. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 62.
Sunny on Wednesday Wednesday... Sunny, with a high near 83.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 65.
30% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms after 2pm. Sunny, with a high near 84. Chance of precipitation is 30%.
30% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Mostly Sunny on Independence Day Independence Day... Mostly sunny, with a high near 84.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 66.
30% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Harper, Ohio
Sunrise: 06:08 AM
Sunset: 9:09 PM
Civil Sunrise:05:35 AM
Civil Sunset: 9:42 PM
Nautical Sunrise: 04:53 AM
Nautical Sunset: 10:24 PM
Astro Sunrise: 04:03 AM
Astro Sunset: 11:13 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.