Water temperature in Petersburg
50.3
°F
September 4, 10:43
Trend:
stableYesterday:
52.4°FTomorrow:
50.4°F
Sunrise:
Sunset:
Day Length:
13 h. 40 min.Petersburg in September
Minimum:
39.2°FAverage:
40.7°FMaximum:
42.1°FSea water temperature in Petersburg today
As of now, in Petersburg, the water temperature is 50.3°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 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 53.5°F on 2019, while the historical minimum was 50.5°F on 2024.
Daily water temperature in Petersburg
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 21 | 51.1°F | 53.0°F | 54.0°F |
| Aug 22 | 50.2°F | 51.6°F | 53.3°F |
| Aug 23 | 51.5°F | 51.8°F | 53.5°F |
| Aug 24 | 52.0°F | 52.6°F | 53.6°F |
| Aug 25 | 52.0°F | 51.2°F | 53.2°F |
| Aug 26 | 52.3°F | 51.4°F | 53.1°F |
| Aug 27 | 53.9°F | 51.0°F | 53.2°F |
| Aug 28 | 53.5°F | 49.6°F | 52.6°F |
| Aug 29 | 52.6°F | 51.2°F | 52.7°F |
| Aug 30 | 52.3°F | 52.5°F | 53.0°F |
| Aug 31 | 52.0°F | 52.5°F | 52.9°F |
| Sep 1 | 51.9°F | 51.9°F | 52.6°F |
| Sep 2 | 51.4°F | 51.3°F | 52.4°F |
| Sep 3 | 52.4°F | 51.4°F | 52.3°F |
| Sep 4 | 50.3°F | 52.6°F | 52.2°F |
| Sep 5 | 50.4°F | 53.3°F | 52.2°F |
| Sep 6 | 50.4°F | 54.2°F | 52.3°F |
| Sep 7 | 49.7°F | 53.2°F | 51.6°F |
| Sep 8 | 49.3°F | 53.3°F | 51.2°F |
| Sep 9 | 48.7°F | 51.9°F | 50.5°F |
| Sep 10 | 48.2°F | 51.2°F | 50.1°F |
| Sep 11 | 48.2°F | 50.9°F | 50.1°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.