Newport weather in August
August in Newport: hot, a little rain, with muggy air — one of the best months to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#2 of 12 months in Newport · #430 of 1413 destinations to visit in August · comfort 86/100 (tier A)
- Days
- 27°C
- Nights
- 18°C
- Wet days
- 6
- Sun
- 10.7 h
- Humidity
- 80%
- Daylight
- 14 h

Traveller notes on Newport in August
Mid-August is peak Newport and the forum does not pretend otherwise: heavy traffic in and around town, the Jazz and Folk festivals pulling crowds, and parking - not people - the thing regulars say actually spoils a day, with lots charging up to twenty dollars. The weather is the classic New England August: 80s F and humid. What August is genuinely good for is the water, either the beaches or a sail, which is most of why anyone comes. The standing alternative regulars offer is May or September, when it is neither as humid nor as full. The record: 26.8C days that feel like 30C, 18.4C nights, 6 precipitation days, humidity near 80 percent, a 20C sea and 10.7 hours of sun.
Other months in Newport
Regulars are specific that the ocean's cooling effect keeps this month genuinely cool here, frost still possible right up until Mother's Day in some years despite the calendar saying late spring. Our row backs that cool, still-changeable read, 18.3C over 9.4C nights feeling 7C, with 86.6mm of rain across 7.3 days and a real 20 kph wind. Regulars are consistent this counts as a genuinely good time to visit regardless, summer's tourist crush still weeks away and the Cliff Walk and mansions comfortable to explore without the heat. Layers covering a real range from cold mornings to milder afternoons remain the standard packing advice. The sea sits at a cold 12.2C, firmly too cold for casual swimming this early. The record: humidity 78 percent, 9.9 hours of sun and AQI 41.
Regulars describe the ocean's effect running in reverse from summer this month, keeping this coastal city noticeably milder than inland areas rather than cooler - almost summer-like warmth without summer's crowds or heat waves. Our row backs the mild read, 23.1C over 14.8C nights, with 81.5mm of rain across 6.5 days. Regulars note the season here doesn't officially wind down until Columbus Day weekend in October, so the town stays genuinely lively on weekdays as well as weekends through this month, with the International Boat Show adding a real, date-specific spike in both crowds and lodging prices. The sea sits at 19.6C. The record: humidity 79 percent, 8.6 hours of sun, an 18.7 kph wind and AQI 39.
Newport-forum threads on the best time to visit repeatedly single out October, describing it alongside September as one of the year's most reliable stretches - minimal rain, crisp blue skies, and daytime temperatures that can still touch the 70s Fahrenheit in the first half of the month before settling into the 50s later on. Fall foliage peaks specifically in the last two to three weeks of October, timed well for anyone building a trip around the Cliff Walk or the historic mansions with color in the trees behind them. Regulars note the swimming season is fully over by this point, no lifeguards on the beaches past the first week of September, so October here is a scenery-and-sightseeing month rather than a beach one. Crowds thin out noticeably from the summer peak, making popular spots like the Cliff Walk and downtown waterfront genuinely walkable again. The record: 18.1C days feeling like 17C, 9.7C nights, 101mm across 8.7 days, a 16.9C sea, 76 percent humidity and 7.5 hours of sun.
June in Newport is lovely and the crowd advice is unusually specific: come mid-to-late June on a weekday, because weddings are now such a large part of the town that weekends fill regardless of the season. Fog is the other June variable - one June trip report has the ferry cancelled for it, and a foggy morning on the Cliff Walk with the views still worth having - which our row hints at with 80 percent humidity under a 23.6C day. The sea is still cold at 16.4C. So: the mansions and the Cliff Walk in the week, and a plan that survives a grey morning. The record: 14.6C nights, 5.7 precipitation days carrying 53mm, 11.2 hours of sun and an 18.6 kph wind.
Add your own note from Newport's card on the map.
Newport climate normals — August
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Newport in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsSummer season, Summer break in United States, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Newport's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherNewport's weather peaks June–August, best around July.
August includes Newport Jazz Festival.
Best weatherFair weatherToughest weather
What's on in Newport in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Summer season
20 Jun – 7 SepSchool holidaysCrowdedBook earlyA town of twenty-five thousand taking several million visitors a year, most of them in ten weeks. Thames Street, the Cliff Walk and the mansion car parks are all at capacity by eleven, and nothing takes walk-ins.
- Festival
Newport Jazz Festival
31 Jul – 2 AugMusic festivalBook earlyThe week after Folk, on the same fort lawn, and the oldest festival of its kind anywhere. Two big weekends back to back is why late July is the most expensive fortnight on the island. Source ↗
Nearby, and something's on
Within 300 km of Newport — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Newport?
Newport in August — FAQ
- Is August a good time to visit Newport?
- August in Newport: hot, a little rain, with muggy air — one of the best months to visit. It ranks #2 of 12 months for Newport on SeasonMap's comfort score (86/100).
- What is the weather like in Newport in August?
- In August, Newport averages a daily high of 26.8°C and a low of 18.4°C, with about 66.4 mm of rain over roughly 6 rainy days.
- What is the air quality in Newport in August?
- Newport has a mean US Air Quality Index of about 52 in August.
Within 300 km: Boston's Whales on Stellwagen Bank around 15 Apr – 20 Oct, and Nantucket's Sea warm enough to swim around 15 Jul – 20 Sep.