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City of Portsmouth, OhioPortsmouth, OH 7-Day Night Weather Forecast
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Portsmouth, OH Weather Forecast
Portsmouth, OH Weather Forecast Date: 736 PM EDT Tue Sep 08 2026
The area/counties/county of: Scioto, including the cities of: Portsmouth and Wheelersburg.or toggle through each period.
Overnight... Mostly clear. Unseasonably warm with lows in the upper 60s. Light and variable winds, becoming south around 5 mph this late evening and overnight.
Wednesday... Mostly sunny. Hot with highs in the lower 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Wednesday Night... Mostly clear in the evening, then partly cloudy with showers with a chance of thunderstorms after midnight. Muggy and unseasonably warm. Lows around 70. Southwest winds 5 to 10 mph. Chance of rain 90%.
Thursday... Showers with a chance of thunderstorms. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of rain 100%.
Thursday Night... Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Muggy. Lows in the lower 60s. Northwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 100%.
Friday... Partly cloudy. Highs in the lower 80s.
Friday Night... Partly cloudy. Lows in the lower 60s.
Saturday... Partly cloudy. Highs in the upper 80s.
Saturday Night... Partly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 30%.
Sunday... Partly cloudy. A chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 30%.
Sunday Night... Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the mid 60s. Chance of rain 30%.
Monday... Mostly sunny. Highs in the upper 80s.
Monday Night... Mostly clear. Lows in the mid 60s.
POP = Probability of Precipitation
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