Neptune, Ohio Weather
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Weather Forecast for Neptune, Ohio : Mercer County
Issued: 2:34 pm EDT May 11, 2025 Latitude: 40.603103 Longitude: -84.4916206 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Cloudy on Tonight 40% chance of thunderstorms on Monday 90% chance of thunderstorms on Tuesday 70% chance of thunderstorms on Wednesday Mostly Sunny on Thursday Sunny on Friday Mostly Sunny on Saturday Partly Sunny on Sunday
Low: 53°F High: 76°F High: 77°F High: 77°F High: 85°F High: 84°F High: 76°F High: 70°F
Low: 60°F Low: 61°F Low: 62°F Low: 68°F Low: 62°F Low: 54°F  
Cloudy Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Sunny Mostly Sunny Partly Sunny
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Cloudy on Tonight Tonight... Partly cloudy, with a low around 53. East wind 6 to 10 mph.

40% chance of thunderstorms Monday Monday... A chance of showers, with thunderstorms also possible after 2pm. Increasing clouds, with a high near 76. Southeast wind 7 to 13 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

40% chance of thunderstorms Monday Night Monday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southeast wind 7 to 11 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

90% chance of thunderstorms Tuesday Tuesday... A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 77. Southeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

80% chance of thunderstorms Tuesday Night Tuesday Night... Showers and thunderstorms before 11pm, then a chance of showers. Low around 61. Southeast wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

70% chance of thunderstorms Wednesday Wednesday... A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

60% chance of rain Wednesday Night Wednesday Night... Showers likely before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 60%.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 85.

50% chance of thunderstorms Thursday Night Thursday Night... A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Partly cloudy, with a low around 68. Chance of precipitation is 50%.

Sunny on Friday Friday... Sunny, with a high near 84.

40% chance of rain Friday Night Friday Night... A chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 40%.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 76.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 54.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 70.

Sun Almanac for Neptune, Ohio
Sunrise: 06:25 AM
Sunset: 8:44 PM
Civil Sunrise:05:54 AM
Civil Sunset: 9:15 PM
Nautical Sunrise: 05:16 AM
Nautical Sunset: 9:53 PM
Astro Sunrise: 04:34 AM
Astro Sunset: 10:35 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.