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City of Mount Vernon, OHMount Vernon, OH 7-Day Night Weather Forecast
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Mount Vernon, OH Weather Forecast
Mount Vernon, OH Weather Forecast Date: 717 AM EDT Fri Sep 18 2026
The area/counties/county of: Knox, including the city of Mount Vernon.or toggle through each period.
Today... Mostly cloudy this morning, then becoming partly sunny. Patchy fog this morning. Highs in the mid 70s. Northeast winds 5 to 10 mph.
Tonight... Partly cloudy. Cooler with lows in the mid 50s. Northeast winds 5 to 10 mph.
Saturday... Partly sunny. A slight chance of showers in the afternoon. Highs in the upper 70s. East winds around 5 mph. Chance of rain 20%.
Saturday Night... Mostly cloudy. A chance of showers in the evening, then showers after midnight. Lows in the lower 60s. South winds around 5 mph. Chance of rain 80%.
Sunday... Showers with highs in the mid 70s. West winds around 5 mph, becoming northwest in the afternoon. Chance of rain 90%.
Sunday Night... Showers. Lows in the upper 50s. Chance of rain 80%.
Monday... Mostly cloudy with a chance of showers. Highs in the upper 60s. Chance of rain 50%.
Monday Night... Cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 50s. Chance of rain 60%.
Tuesday... Mostly cloudy. Showers likely, mainly in the morning. Highs in the upper 60s. Chance of rain 60%.
Tuesday Night... Mostly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 50%.
Wednesday... Mostly cloudy with a 50% chance of showers. Highs in the upper 60s.
Wednesday Night... Mostly cloudy with a 50% chance of showers. Lows in the lower 50s.
POP = Probability of Precipitation
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