South Mount Vernon, Ohio Weather
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Weather Forecast for South Mount Vernon, Ohio : Knox County
Issued: 3:15 pm EDT May 11, 2025 Latitude: 40.381729 Longitude: -82.4923849 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Cloudy on Tonight 30% chance of thunderstorms on Monday 80% chance of thunderstorms on Tuesday 80% chance of thunderstorms on Wednesday Mostly Sunny on Thursday 30% chance of thunderstorms on Friday 40% chance of rain on Saturday Mostly Sunny on Sunday
Low: 53°F High: 73°F High: 74°F High: 77°F High: 82°F High: 84°F High: 78°F High: 71°F
Low: 60°F Low: 60°F Low: 60°F Low: 66°F Low: 62°F Low: 54°F  
Cloudy Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Thunderstorms Rain Mostly Sunny
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Cloudy on Tonight Tonight... Partly cloudy, with a low around 53. Northeast wind 5 to 7 mph.
30% chance of thunderstorms Monday Monday... A chance of showers, with thunderstorms also possible after 5pm. Increasing clouds, with a high near 73. Southeast wind 6 to 9 mph. Chance of precipitation is 30%. 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, mainly before 3am. Mostly cloudy, with a low around 60. East wind 7 to 11 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
80% chance of thunderstorms Tuesday Tuesday... A slight 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 74. Southeast wind 7 to 10 mph. Chance of precipitation is 80%. 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 slight chance of showers between 11pm and 2am. Low around 60. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
80% chance of thunderstorms Wednesday Wednesday... 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. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
80% chance of rain Wednesday Night Wednesday Night... Showers before 8pm. Low around 60. Chance of precipitation is 80%.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 82.
50% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 50%.
30% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
40% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 40%.
40% chance of rain Saturday Saturday... A chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 40%.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 54.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 71.
Sun Almanac for South Mount Vernon, Ohio
Sunrise: 06:17 AM
Sunset: 8:36 PM
Civil Sunrise:05:47 AM
Civil Sunset: 9:06 PM
Nautical Sunrise: 05:09 AM
Nautical Sunset: 9:44 PM
Astro Sunrise: 04:27 AM
Astro Sunset: 10:25 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.