Weather in Portsmouth in Summer
| June | July | August | ||||
| Average day temperature: | ||||||
| Average day temperature: | 72.2°F | 78.0°F | 76.6°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 60.0°F | 66.3°F | 64.7°F | |||
| Sea water temperature: | ||||||
| Sea water temperature: | 57.5°F | 63.4°F | 65.4°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 10 days | 10 days | 9 days | |||
| Day length: | ||||||
| Day length: | 15.2 - 15.4 h. | 14.5 - 15.3 h. | 13.2 - 14.5 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 2 days | 3 days | 2 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 1.0 in. | 1.8 in. | 1.3 in. | |||
current
weather
weather
| Portsmouth |
monthly
weather
weather
| Portsmouth |
sea water
temperature
temperature
| Portsmouth |
14 days
forecast
forecast
| Portsmouth |
Day & Night air temperature, °F
Sea water temperature, °F
Precipitation total, in.
Sunny, partly cloudy and cloudy days
weather in
winter
winter
| Portsmouth |
weather in
spring
spring
| Portsmouth |
weather in
summer
summer
| Portsmouth |
weather in
autumn
autumn
| Portsmouth |
Wind speed, mph
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.
Best time for vacation in Portsmouth
Portsmouth on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Portsmouth
Local time: 13:45
November 21, thursday
1500
45°F
SW
17 mph
17 mph
1800
45°F
SW
16 mph
16 mph
2100
45°F
SW
17 mph
17 mph
November 22, friday
0000
45°F
W
19 mph
19 mph
0300
45°F
W
23 mph
23 mph
0600
46°F
W
21 mph
21 mph
0900
48°F
N
14 mph
14 mph
1200
48°F
N
10 mph
10 mph
