What is the current water temperature in Petersburg?

Q: What is the current water temperature in Petersburg?

As of now, in Petersburg, the water temperature is 11.77°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.

United States > Petersburg

Water temperature in Petersburg

Detailed information about the current water temperature in 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.

53.2

°F

September 7, 04:31

Trend:

decreasing

Yesterday:

54.2°F

Tomorrow:

52.7°F

Sunrise:

06:06

Sunset:

19:32

Day Length:

13 h. 26 min.

Petersburg in September

Minimum:

39.2°F

Average:

41.0°F

Maximum:

42.1°F

Sea water temperature in Petersburg today

As of now, in Petersburg, the water temperature is 53.2°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 1.9°F higher 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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 52.9°F on 2017, while the historical minimum was 49.4°F on 2023.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 51.4°F, the minimum temperature may reach 50.4°F, and the maximum might stay at 52.7°F.

Daily water temperature in Petersburg

Date	Current Year actual* / forecast**	last year	10 years average
Aug 24	52.6°F	52.3°F	53.7°F
Aug 25	51.2°F	52.1°F	53.2°F
Aug 26	51.4°F	52.0°F	53.1°F
Aug 27	51.0°F	51.8°F	53.1°F
Aug 28	49.6°F	49.5°F	52.6°F
Aug 29	51.2°F	49.5°F	52.7°F
Aug 30	52.5°F	49.7°F	53.0°F
Aug 31	52.5°F	49.8°F	52.9°F
Sep 1	51.9°F	49.9°F	52.5°F
Sep 2	51.3°F	50.4°F	52.3°F
Sep 3	51.4°F	50.4°F	52.1°F
Sep 4	52.6°F	50.5°F	52.0°F
Sep 5	53.3°F	50.5°F	52.0°F
Sep 6	54.2°F	50.5°F	52.0°F
Sep 7	53.2°F	50.3°F	51.3°F
Sep 8	52.7°F	50.1°F	50.8°F
Sep 9	52.1°F	49.7°F	50.2°F
Sep 10	51.6°F	48.2°F	49.7°F
Sep 11	51.6°F	47.9°F	49.7°F
Sep 12	50.9°F	47.8°F	49.0°F
Sep 13	50.7°F	48.1°F	48.8°F
Sep 14	50.4°F	47.8°F	48.5°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 Petersburg by month

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

The warmest water in Petersburg was recorded on July 7, 2019, reaching a 60.2°F. While the coldest temperature occurred on January 13, 2023, dipping to 37.5°F. The average readings by season are 41.1°F in Winter, 43.1°F in Spring, 53.1°F in Summer, and 46.4°F in Autumn.