Portsmouth, RI Weather


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The most pleasant months of the year for Portsmouth are August, July and June. In Portsmouth, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Portsmouth with an average high temperature of 80.1°, which ranks it as cooler than most places in Rhode Island. February is the snowiest month in Portsmouth with 8.9 inches of snow, and 6 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.

Today's Weather - Portsmouth, RI

5 AM PST

Sunny

43°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TodaySunny56° / 42°S 5 to 14 mph
WednesdayChance Rain Showers60° / 34°SW 13 mph
ThursdaySunny53° / 36°SE 6 to 10 mph
FridaySunny55° / 39°SW 3 to 12 mph
SaturdayMostly Sunny56° / 46°S 7 to 15 mph
SundayChance Rain Showers64° / 54°SW 17 mph
MondayPartly Sunny then Slight Chance Rain Showers68° / 52°SW 13 mph

Weather Highlights

Summer High: the July high is around 80 degrees
Winter Low: the January low is 23
Rain: averages 48 inches of rain a year
Snow: averages 32 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Portsmouth area is 9.2 (10=best), which means it is more comfortable than most places in Rhode Island.

9.2 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January38° 23°
February40° 25°
March47° 31°
April56° 39°
May66° 49°
June75° 58°
July80° 64°
August80° 64°
September73° 57°
October63° 47°
November53° 38°
December43° 29°
Hot, Freezing, Rainy, Snowy Days: Portsmouth
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January025125
February024104
March017123
April03120
May00120
June00110
July2090
August1090
September0090
October00100
November07100
December020113

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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