Water temperature in Rui’an
83.5
°F
September 30, 15:02
Trend:
stableYesterday:
83.4°FTomorrow:
83.5°F
Sunrise:
Sunset:
Day Length:
11 h. 56 min.Rui’an in October
Minimum:
50.6°FAverage:
55.1°FMaximum:
59.1°FSea water temperature in Rui’an today
As of now, in Rui’an, the water temperature is 83.5°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 2.8°F higher 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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 85.7°F on 2025, while the historical minimum was 77.3°F on 2020.
Daily water temperature in Rui’an
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 16 | 79.8°F | 86.1°F | 82.5°F |
| Sep 17 | 79.7°F | 86.4°F | 82.4°F |
| Sep 18 | 79.4°F | 87.7°F | 82.5°F |
| Sep 19 | 79.5°F | 89.0°F | 82.4°F |
| Sep 20 | 80.3°F | 88.0°F | 82.3°F |
| Sep 21 | 81.4°F | 87.0°F | 82.4°F |
| Sep 22 | 81.6°F | 85.7°F | 82.1°F |
| Sep 23 | 79.9°F | 84.7°F | 81.5°F |
| Sep 24 | 80.0°F | 84.1°F | 81.0°F |
| Sep 25 | 81.4°F | 83.6°F | 80.8°F |
| Sep 26 | 82.2°F | 84.1°F | 80.9°F |
| Sep 27 | 82.8°F | 84.4°F | 80.9°F |
| Sep 28 | 83.2°F | 84.7°F | 80.8°F |
| Sep 29 | 83.4°F | 83.9°F | 80.5°F |
| Sep 30 | 83.5°F | 85.7°F | 80.7°F |
| Oct 1 | 83.5°F | 85.9°F | 80.6°F |
| Oct 2 | 83.5°F | 85.1°F | 80.7°F |
| Oct 3 | 83.5°F | 85.9°F | 80.7°F |
| Oct 4 | 83.3°F | 86.4°F | 80.4°F |
| Oct 5 | 83.0°F | 85.6°F | 80.1°F |
| Oct 6 | 82.5°F | 85.7°F | 79.6°F |
| Oct 7 | 81.8°F | 85.9°F | 79.0°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.