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Knox County, OH Weather Forecast
Knox County, OH Weather Forecast Date: 233 PM EDT Mon Oct 19 2026
The area/counties/county of: Knox, including the city of Mount Vernon.or toggle through each period.
This Afternoon... Sunny. Near steady temperature in the mid 60s. Light and variable winds.
Tonight... Clear. Lows in the upper 30s. North winds around 5 mph.
Tuesday... Sunny. Highs in the upper 60s. Northeast winds around 5 mph.
Tuesday Night... Clear in the evening, then becoming partly cloudy. Lows in the lower 40s. Northeast winds 5 to 10 mph.
Wednesday... Partly cloudy in the morning, then clearing. Highs in the upper 60s. Northeast winds around 5 mph.
Wednesday Night... Clear. Lows around 40.
Thursday... Mostly sunny. Highs in the upper 60s.
Thursday Night... Clear. Lows in the mid 40s.
Friday... Sunny. Highs in the mid 60s.
Friday Night... Clear. Lows in the upper 30s.
Saturday... Sunny. Highs in the mid 60s.
Saturday Night... Clear. Lows in the lower 40s.
POP = Probability of Precipitation
Knox County Radar Loop
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