Portsmouth, OH Weather Forecast
Scioto County, Ohio
Live radar, warnings and storm tracking for Portsmouth, with free alerts the moment it counts.
The next few hours
Wet right now, and not done yet
It is 50° with a dew point of 44°, which is dry for this time of year. Precipitation is falling here now, and the hourly chance is 82%. The air is close to calm.
The barometer has dropped 0.06 inHg in the last hour. A fall that steep is a boundary getting close, not the daily swing. The wind turns to the east around 1 AM.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
A long wet stretch ahead
The wet part of the window runs from about midnight to 10 AM, 16 hours of it, with the highest chance near midnight. Total accumulation over the window comes to about 0.31 in.
It tapers off after 10 AM. The overnight low settles near 46°. Tomorrow tops out near 52°. It also gets muggier, so tomorrow will feel warmer than the number on its own suggests.
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
29–63°F across the weekThe week runs between 30° and 52°, with tomorrow the warmest day of it. There is no real trend across it: one day looks much like the next. Tomorrow is the wettest day, peaking near 82%. 4 of the 7 days stay dry.
Free alerts for Portsmouth
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Portsmouth, OH at a glance
Portsmouth is home to about 17,555 people in Scioto County, across 11 square miles. It ranks 107th by population of 358 places in Ohio with a forecast here. The nearest neighbour with its own forecast is Flatwoods, 20 miles away.
- County
- Scioto County
- Population
- 17,555 2023 est.
- Land area
- 11 sq mi
- People per sq mi
- 1,636
- Forecast point
- 38.7534°N, 82.9495°W
How well can the network see Portsmouth?
The nearest Doppler radar is KILN (Wilmington, OH), to the NW. Its lowest scan passes about 5,500 ft above Portsmouth. The beam is above the lowest few thousand feet here, so a warning for Portsmouth can come before anything looks dramatic on radar.
The closest weather station is KPMH (Portsmouth Rgnl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Portsmouth
- Flatwoods, KY20 mi
- Ironton, OH21 mi
- Russell, KY22 mi
- Waverly, OH26 mi
- Jackson, OH26 mi
- Ashland, KY26 mi
- Grayson, KY29 mi
- South Point, OH30 mi
Elsewhere in Ohio
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