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 4.31°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.

39.8

°F

January 16, 01:38

Trend:

stable

Yesterday:

39.8°F

Tomorrow:

39.8°F

Sunrise:

08:17

Sunset:

15:47

Day Length:

7 h. 30 min.

Petersburg in January

Minimum:

38.1°F

Average:

41.1°F

Maximum:

42.7°F

Sea water temperature in Petersburg today

As of now, in Petersburg, the water temperature is 39.8°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 0.6°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 slightly varies from the average of the past two weeks. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 41.3°F on 2016, while the historical minimum was 38.1°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 minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 39.8°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
Jan 2	39.2°F	38.7°F	41.2°F
Jan 3	39.2°F	39.2°F	41.3°F
Jan 4	39.5°F	39.5°F	41.3°F
Jan 5	39.8°F	39.7°F	41.3°F
Jan 6	40.0°F	39.8°F	41.3°F
Jan 7	40.1°F	40.0°F	41.1°F
Jan 8	40.2°F	40.0°F	41.0°F
Jan 9	39.3°F	40.1°F	40.7°F
Jan 10	39.3°F	40.1°F	40.6°F
Jan 11	39.4°F	40.2°F	40.6°F
Jan 12	39.6°F	40.2°F	40.5°F
Jan 13	39.7°F	40.0°F	40.4°F
Jan 14	39.7°F	40.1°F	40.2°F
Jan 15	39.8°F	40.2°F	40.2°F
Jan 16	39.8°F	40.2°F	40.3°F
Jan 17	39.8°F	40.2°F	40.4°F
Jan 18	39.7°F	40.2°F	40.3°F
Jan 19	39.6°F	40.2°F	40.2°F
Jan 20	39.7°F	40.3°F	40.3°F
Jan 21	39.8°F	40.4°F	40.4°F
Jan 22	39.9°F	40.5°F	40.4°F
Jan 23	40.0°F	40.6°F	40.6°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 41.0°F in Winter, 43.0°F in Spring, 53.0°F in Summer, and 46.3°F in Autumn.