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 5.55°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.

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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.

42.0

°F

November 21, 01:11

Trend:

decreasing

Yesterday:

42.6°F

Tomorrow:

42.0°F

Sunrise:

07:47

Sunset:

15:28

Day Length:

7 h. 41 min.

Petersburg in November

Minimum:

38.0°F

Average:

40.9°F

Maximum:

42.0°F

Sea water temperature in Petersburg today

As of now, in Petersburg, the water temperature is 42.0°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 1.4°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 stay about the same.

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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 45.1°F on 2016, while the historical minimum was 41.5°F on 2022.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 42.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Petersburg

Date	Current Year actual* / forecast**	last year	10 years average
Nov 7	43.8°F	43.7°F	44.2°F
Nov 8	43.4°F	43.7°F	44.0°F
Nov 9	43.5°F	43.8°F	44.1°F
Nov 10	43.5°F	43.8°F	44.1°F
Nov 11	43.4°F	43.4°F	44.0°F
Nov 12	43.6°F	43.9°F	44.2°F
Nov 13	43.7°F	43.6°F	44.2°F
Nov 14	43.6°F	43.2°F	44.2°F
Nov 15	43.1°F	43.3°F	44.1°F
Nov 16	43.2°F	43.3°F	44.0°F
Nov 17	43.1°F	43.2°F	43.8°F
Nov 18	43.1°F	43.2°F	43.5°F
Nov 19	42.9°F	43.2°F	43.4°F
Nov 20	42.6°F	43.1°F	43.3°F
Nov 21	42.0°F	43.0°F	43.3°F
Nov 22	42.0°F	43.0°F	43.3°F
Nov 23	42.0°F	43.0°F	43.3°F
Nov 24	42.2°F	43.2°F	43.5°F
Nov 25	42.2°F	43.3°F	43.6°F
Nov 26	42.3°F	43.4°F	43.7°F
Nov 27	42.3°F	43.5°F	43.6°F
Nov 28	42.3°F	43.6°F	43.6°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 41.3°F in Winter, 43.1°F in Spring, 53.1°F in Summer, and 46.5°F in Autumn.