Local weather forecast

Weather in Portsmouth, OH

Updated 2026-08-11 13:45 local time · ZIP codes 45662

Light rain
Now71°F

Light rain

High / Low97° / 71°
Rain chance71%
Wind10 mph
Weather alerts

Active alerts

2
Flood Watch issued August 11 at 3:35AM EDT until August 14 at 8:00AM EDT by NWS Charleston WV

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northeast Kentucky, including the following counties, Boyd, Carter, Greenup and Lawrence, southeast Ohio, including the following counties, Athens, Gallia, Jackson OH, Lawrence OH, Meigs, Morgan, Perry, Vinton and Washington, southwest Virginia, including the following counties, Buchanan and Dickenson, and West Virginia, including the following counties, Barbour, Boone, Braxton, Cabell, Calhoun, Clay, Doddridge, Gilmer, Harrison, Jackson WV, Kanawha, Lewis, Lincoln, Logan, Mason, McDowell, Mingo, Northwest Fayette, Northwest Nicholas, Northwest Pocahontas, Northwest Raleigh, Northwest Randolph, Northwest Webster, Pleasants, Putnam, Ritchie, Roane, Southeast Fayette, Southeast Nicholas, Southeast Pocahontas, Southeast Raleigh, Southeast Randolph, Southeast Webster, Taylor, Tyler, Upshur, Wayne, Wirt, Wood and Wyoming. * WHEN...Through Friday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Rounds of thunderstorms will track through the area, bringing the potential for heavy downpours and training storms, which may cause flooding. - http://www.weather.gov/safety/flood

Safety instructions

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Additional information can be found at https://www.weather.gov/rlx as well as on our X and Facebook pages.

Special Weather Statement issued August 11 at 12:07PM EDT by NWS Charleston WV

At 1207 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Franklin Furnace to 7 miles east of Foxport. Movement was southeast at 35 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Huntington, Ashland, Portsmouth, Ironton, Grayson, Coal Grove, Olive Hill, Chesapeake, Cannonsburg, Grayson Lake State Park, Carter Caves State Park, Kenova, Catlettsburg, Ceredo, Greenup, South Shore, Coalton, Denton, Gesling, and Greenbo Lake. This includes the following highways... Interstate 64 in Kentucky between mile markers 149 and 191. Interstate 64 in West Virginia between mile markers 1 and 10.

Safety instructions

If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways. A Severe Thunderstorm Watch remains in effect until 200 PM EDT for northeastern Kentucky...and southeastern Ohio. A Severe Thunderstorm Watch also remains in effect until 500 PM EDT for central and western West Virginia.

Hourly

Next hours

NowLight rain71°5% rain
3 PMSunny96°3% rain
4 PMSunny97°2% rain
5 PMSunny97°1% rain
6 PMSunny94°2% rain
7 PMPatchy light drizzle73°41% rain
8 PMPatchy rain nearby72°74% rain
9 PMPatchy rain nearby73°25% rain
10 PMPatchy light drizzle72°57% rain
11 PMHeavy rain at times71°88% rain
12 AMPatchy rain nearby71°64% rain
1 AMPatchy rain nearby65°64% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
97° 71°Sunny
Rain 71%Gust 16 mph
Tomorrow2026-08-12
Fog
93° 65°Fog
Rain 84%Gust 11 mph
Thursday2026-08-13
Fog
86° 64°Fog
Rain 90%Gust 7 mph
Conditions

Weather details

Feels like71°F
Humidity88%
Pressure30.07 inHg
Visibility10 mi
Wind10 mph WSW
Wind gusts12 mph
Precipitation0.00 in
UV index2
Daylight

Sunrise, sunset and moon

Sunrise06:42 AM
Sunset08:31 PM
Moonrise04:43 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 88% over the next 12 hours.

Light layers should work

It feels like 71°F with winds near 10 mph.

Best window: 2 PM

94°F, 3% rain chance and 11 mph wind.

Use extra caution while driving

Visibility is around 10 mi; gusts may reach 23 mph.

Running conditions are less comfortable

Current temperature is 71°F, wind 10 mph, rain chance up to 88%.

Low UV protection needs

UV index is 2.

Portsmouth weather today

Light rain and 71°F in Portsmouth, OH. Today's high is 97°F with a 71% rain chance. Winds are around 10 mph with gusts near 12 mph. Relative humidity is 88%, pressure is 30.07 inHg, and visibility is about 10 miles.

Tonight and tomorrow in Portsmouth

Sunrise is at 06:42 AM and sunset is at 08:31 PM. Tomorrow's forecast calls for Fog with a high near 93°F and a low near 65°F. The maximum rain chance is 84%.

Nearby

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