Portsmouth, RI Weather Forecast
Newport County, Rhode Island
Live radar, warnings and storm tracking for Portsmouth, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
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
Free alerts for Portsmouth
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Portsmouth, RI at a glance
Portsmouth is home to about 17,447 people in Newport County, across 23 square miles. It ranks 20th by population of 38 places in Rhode Island with a forecast here. The nearest neighbour with its own forecast is Middletown, 5 miles away.
- County
- Newport County
- Population
- 17,447 2023 est.
- Land area
- 23 sq mi
- People per sq mi
- 758
- Forecast point
- 41.5921°N, 71.2836°W
How well can the network see Portsmouth?
The nearest Doppler radar is KBOX (Boston, MA), to the NNE. Its lowest scan passes about 1,600 ft above Portsmouth. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Portsmouth show up clearly. Portsmouth is closer to its radar than 76% of US cities.
The closest weather station is KOQU (N Kingston/Quonset Arpt). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Portsmouth
- Middletown, RI5 mi
- Tiverton, RI5 mi
- Bristol, RI6 mi
- Jamestown, RI7 mi
- Newport, RI8 mi
- Little Compton, RI9 mi
- North Kingstown, RI9 mi
- Warren, RI9 mi
Elsewhere in Rhode Island
ProvidenceWarwickCranstonPawtucketEast ProvidenceWoonsocketAll Rhode Island forecasts →