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
A dry morning, mostly sunny
It is 41°, but the wind is taking it down to 36° on exposed skin. The sky is mostly sunny.
Nothing in the next day and a half is wet enough to move plans for.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Quiet through the next day and a half
Nothing wet is expected over the next day and a half.
The overnight low settles near 40°. Tomorrow tops out near 49°. 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
30–67°F across the weekThe week runs between 30° and 64°, with Friday the warmest day of it. The second half leans warming, and today is the coolest day in it. Every day in the outlook stays dry.
Free alerts for Portsmouth
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
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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