What is the current water temperature in Saint Petersburg?

Q: What is the current water temperature in Saint Petersburg?

As of now, in Saint Petersburg, the water temperature is 10.32°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

Russian Federation > Saint Petersburg

Water temperature in Saint Petersburg

Detailed information about the current water temperature in Saint Petersburg. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

50.6

°F

September 30, 19:38

Trend:

decreasing

Yesterday:

53.8°F

Tomorrow:

49.7°F

Sunrise:

07:01

Sunset:

18:36

Day Length:

11 h. 35 min.

Saint Petersburg in October

Minimum:

32.0°F

Average:

32.0°F

Maximum:

32.0°F

Sea water temperature in Saint Petersburg today

As of now, in Saint Petersburg, the water temperature is 50.6°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.4°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 54.2°F on 2023, while the historical minimum was 46.6°F on 2025.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 49.6°F, the minimum temperature may reach 47.9°F, and the maximum might stay at 51.9°F.

Daily water temperature in Saint Petersburg

Date	Current Year actual* / forecast**	last year	10 years average
Sep 16	57.4°F	60.4°F	57.1°F
Sep 17	57.4°F	59.6°F	56.6°F
Sep 18	57.6°F	57.5°F	55.9°F
Sep 19	57.7°F	56.6°F	55.3°F
Sep 20	57.1°F	51.9°F	54.6°F
Sep 21	56.8°F	52.4°F	54.6°F
Sep 22	55.0°F	54.2°F	54.2°F
Sep 23	56.4°F	50.6°F	54.0°F
Sep 24	56.1°F	52.3°F	54.1°F
Sep 25	55.8°F	51.7°F	53.7°F
Sep 26	54.5°F	50.0°F	53.3°F
Sep 27	54.3°F	49.6°F	53.1°F
Sep 28	53.6°F	49.7°F	52.7°F
Sep 29	53.8°F	46.8°F	51.7°F
Sep 30	50.6°F	46.6°F	51.0°F
Oct 1	49.7°F	46.7°F	50.1°F
Oct 2	47.9°F	44.0°F	48.3°F
Oct 3	51.9°F	47.3°F	52.3°F
Oct 4	51.4°F	45.7°F	51.8°F
Oct 5	49.5°F	43.4°F	49.9°F
Oct 6	48.7°F	44.3°F	49.0°F
Oct 7	48.4°F	43.9°F	48.8°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Saint Petersburg by month

In an average year, Saint Petersburg offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Saint Petersburg was recorded on July 17, 2021, reaching a 76.5°F. While the coldest temperature occurred on January 2, 2016, dipping to 32.0°F. The average readings by season are 32.7°F in Winter, 39.1°F in Spring, 63.1°F in Summer, and 47.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kalininskiy	50.5°F	5mi
Lomonosov	55.0°F	19mi
Zelenogorsk	56.7°F	28mi

* current water temperature in this city

** straight line distance from Saint Petersburg