Water temperature in St. John's
57.0
°F
September 11, 16:36
Trend:
decreasingYesterday:
57.9°FTomorrow:
56.8°F
Sunrise:
Sunset:
Day Length:
12 h. 50 min.St. John's in September
Minimum:
32.7°FAverage:
34.6°FMaximum:
36.2°FSea water temperature in St. John's today
As of now, in St. John's, the water temperature is 57.0°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 0.5°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 61.1°F on 2022, while the historical minimum was 53.4°F on 2016.
Daily water temperature in St. John's
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 28 | 60.3°F | 56.6°F | 59.6°F |
| Aug 29 | 60.6°F | 56.4°F | 59.7°F |
| Aug 30 | 61.4°F | 56.6°F | 59.4°F |
| Aug 31 | 61.3°F | 55.6°F | 59.0°F |
| Sep 1 | 60.4°F | 56.1°F | 58.7°F |
| Sep 2 | 60.6°F | 55.1°F | 58.2°F |
| Sep 3 | 60.9°F | 55.1°F | 57.7°F |
| Sep 4 | 60.7°F | 54.8°F | 57.8°F |
| Sep 5 | 60.2°F | 55.8°F | 57.5°F |
| Sep 6 | 60.1°F | 56.5°F | 57.9°F |
| Sep 7 | 58.3°F | 57.5°F | 57.7°F |
| Sep 8 | 58.7°F | 58.5°F | 58.0°F |
| Sep 9 | 58.2°F | 58.2°F | 57.8°F |
| Sep 10 | 57.9°F | 57.4°F | 57.5°F |
| Sep 11 | 57.0°F | 57.2°F | 57.6°F |
| Sep 12 | 56.8°F | 57.1°F | 57.3°F |
| Sep 13 | 56.6°F | 57.6°F | 57.1°F |
| Sep 14 | 56.0°F | 57.0°F | 56.6°F |
| Sep 15 | 55.5°F | 56.3°F | 56.0°F |
| Sep 16 | 55.5°F | 55.7°F | 56.0°F |
| Sep 17 | 55.3°F | 56.2°F | 55.8°F |
| Sep 18 | 55.1°F | 56.2°F | 55.7°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.