Please click on any column to get detailed information about Portsmouth weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
The warmest month in Portsmouth is july. The average daily temp is 78.5°F. The average nightly temp is 66.5°F.
Sea water temperature, °F
The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 65.0°F.
Precipitation total, in.
Number of rainy days
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
sea water
temperature
temperature
| Portsmouth |
14 days
forecast
forecast
| Portsmouth |
current
weather
weather
| Portsmouth |
7 days
forecast
forecast
| Portsmouth |
Best time for vacation in Portsmouth
Portsmouth on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Portsmouth
Local time: 09:44
July 21, tuesday
1200
84°F
NW
12 mph
12 mph
1500
84°F
NW
13 mph
13 mph
1800
79°F
NW
12 mph
12 mph
2100
64°F
NW
9 mph
9 mph
July 22, wednesday
0000
66°F
N
10 mph
10 mph
0300
68°F
NE
9 mph
9 mph
0600
66°F
NE
9 mph
9 mph
0900
70°F
NE
9 mph
9 mph
