Water temperature in Trondheim
54.1
°F
September 16, 14:10
Trend:
stableYesterday:
53.6°FTomorrow:
54.1°F
Sunrise:
Sunset:
Day Length:
12 h. 57 min.Trondheim in September
Minimum:
37.0°FAverage:
40.7°FMaximum:
43.8°FSea water temperature in Trondheim today
As of now, in Trondheim, the water temperature is 54.1°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 1.1°F lower 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 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 56.8°F on 2025, while the historical minimum was 53.1°F on 2021.
Daily water temperature in Trondheim
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 2 | 58.7°F | 56.6°F | 57.4°F |
| Sep 3 | 58.0°F | 56.9°F | 57.3°F |
| Sep 4 | 57.2°F | 57.1°F | 57.1°F |
| Sep 5 | 58.0°F | 57.4°F | 57.0°F |
| Sep 6 | 57.7°F | 58.0°F | 56.8°F |
| Sep 7 | 57.4°F | 57.8°F | 56.8°F |
| Sep 8 | 56.6°F | 58.6°F | 56.6°F |
| Sep 9 | 56.1°F | 59.4°F | 56.6°F |
| Sep 10 | 56.9°F | 56.9°F | 56.4°F |
| Sep 11 | 55.9°F | 58.0°F | 56.2°F |
| Sep 12 | 55.4°F | 56.9°F | 55.9°F |
| Sep 13 | 55.3°F | 57.1°F | 55.7°F |
| Sep 14 | 55.0°F | 56.5°F | 55.4°F |
| Sep 15 | 53.6°F | 56.4°F | 55.1°F |
| Sep 16 | 54.1°F | 56.8°F | 55.2°F |
| Sep 17 | 54.1°F | 56.7°F | 55.1°F |
| Sep 18 | 53.9°F | 56.3°F | 55.0°F |
| Sep 19 | 53.9°F | 56.1°F | 54.9°F |
| Sep 20 | 53.7°F | 55.8°F | 54.8°F |
| Sep 21 | 53.5°F | 55.4°F | 54.5°F |
| Sep 22 | 53.1°F | 55.1°F | 54.2°F |
| Sep 23 | 52.9°F | 54.7°F | 53.9°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.