Water temperature in St. John's
48.3
°F
July 4, 00:34
Trend:
increasingYesterday:
47.9°FTomorrow:
48.9°F
Sunrise:
Sunset:
Day Length:
15 h. 52 min.St. John's in July
Minimum:
32.4°FAverage:
34.7°FMaximum:
36.7°FSea water temperature in St. John's today
As of now, in St. John's, the water temperature is 48.3°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 0.2°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 51.1°F on 2021, while the historical minimum was 42.8°F on 2018.
Daily water temperature in St. John's
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Jun 20 | 42.1°F | 45.4°F | 43.5°F |
| Jun 21 | 41.2°F | 47.5°F | 44.1°F |
| Jun 22 | 42.2°F | 45.7°F | 44.1°F |
| Jun 23 | 43.6°F | 46.4°F | 44.7°F |
| Jun 24 | 43.4°F | 45.2°F | 45.0°F |
| Jun 25 | 43.7°F | 45.4°F | 45.2°F |
| Jun 26 | 44.0°F | 45.3°F | 45.7°F |
| Jun 27 | 43.5°F | 46.3°F | 46.0°F |
| Jun 28 | 45.5°F | 46.6°F | 46.4°F |
| Jun 29 | 44.8°F | 47.1°F | 46.8°F |
| Jun 30 | 45.1°F | 47.2°F | 47.0°F |
| Jul 1 | 46.5°F | 47.3°F | 47.1°F |
| Jul 2 | 47.0°F | 47.4°F | 47.5°F |
| Jul 3 | 47.9°F | 48.6°F | 47.6°F |
| Jul 4 | 48.3°F | 50.3°F | 48.1°F |
| Jul 5 | 48.9°F | 50.6°F | 48.7°F |
| Jul 6 | 49.2°F | 49.2°F | 49.0°F |
| Jul 7 | 49.4°F | 48.9°F | 49.2°F |
| Jul 8 | 49.4°F | 49.6°F | 49.2°F |
| Jul 9 | 49.9°F | 50.4°F | 49.7°F |
| Jul 10 | 50.0°F | 49.1°F | 49.8°F |
| Jul 11 | 50.5°F | 51.5°F | 50.3°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.