Measurements:
°C
°F
CURRENT WEATHER
14:01
Portsmouth
56°F
NW 11 mph
Feels like: 52°F
Precip: 74%
World Resorts USA Portsmouth

Annual Weather

Portsmouth Air Temperature, °F

Precipitation Totals, in

Rainy Days During the Year

Average Wind Speed, mph
Sunny, Cloudy and Gloomy Days
Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart.

Best Time to Visit Portsmouth
The most sunny months:
November 16 days
October 14 days
September 13 days
The most warm months:
July 81.7 °F
August 80.0 °F
June 75.2 °F
Warmest sea temperature:
August 66.7 °F
July 64.8 °F
September 63.6 °F
The most cold months:
January 30.9 °F
February 32.1 °F
December 36.4 °F
The most rainy months:
July 3 days
August 2 days
October 2 days
The most windy months:
January 9 mph
March 9 mph
November 9 mph
more details

Portsmouth on the Weather Map

USA Resorts:
NAME
F°
Boston +56
Chicago +56
Hawaii +78
Honolulu +78
Houston +98
Las Vegas +102
Los Angeles +76
Maui +72
Miami +90
Miami Beach +92
New York +70
San Diego +72
San Francisco +72
Sarasota +96
Tampa +96
all resorts
24 Hours Weather Forecast
Portsmouth
Local time: 14:01
14 may, thursday
1500 56°F
NW
11 mph
1800 54°F
W
10 mph
2100 52°F
W
9 mph
15 may, friday
0000 50°F
W
14 mph
0300 48°F
W
12 mph
0600 48°F
W
9 mph
0900 48°F
SW
11 mph
1200 48°F
SW
13 mph