Portsmouth Sea Temperature

(Today) 2021

18.9°C / 66.1°F

Current weather

29°C / 84°F
(scattered clouds)

Partly cloudy

Wind

16 mph

Humidity

42%


The measurements for the water temperature in Portsmouth, Virginia are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

Monthly average water temp

Monthly average max / min water temperatures

The graph below shows the range of monthly Portsmouth water temperature derived from many years of historical sea surface temperature data.

Portsmouth average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Portsmouth
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 9 8.3 8.8 11.1 13.6 20.1 24.5 25.2 23.3 18.4 14.5 11.4
Max °C 13.6 12.1 13.4 17.3 21.2 25.7 27.3 28.2 26.3 24.8 19.1 15.8
Min °F 50 48.5 49.7 54.5 59.5 70.4 77.2 78.6 75.1 67.7 59.9 54.3
Max °F 54.6 52.3 54.3 60.7 67.1 76 80 81.6 78.1 74.1 64.5 58.7