Water temperature in Seattle
54.0
°F
October 20, 06:23
Trend:
decreasingYesterday:
55.9°FTomorrow:
54.0°F
Sunrise:
Sunset:
Day Length:
10 h. 37 min.Seattle in October
Minimum:
45.9°FAverage:
47.8°FMaximum:
49.4°FSea water temperature in Seattle today
As of now, in Seattle, the water temperature is 54.0°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 about the same as 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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 55.7°F on 2023, while the historical minimum was 52.8°F on 2017.
Daily water temperature in Seattle
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Oct 6 | 56.6°F | 56.7°F | 55.5°F |
| Oct 7 | 56.5°F | 56.5°F | 55.4°F |
| Oct 8 | 56.3°F | 56.1°F | 55.3°F |
| Oct 9 | 56.2°F | 55.5°F | 55.3°F |
| Oct 10 | 56.3°F | 55.1°F | 55.0°F |
| Oct 11 | 56.6°F | 54.9°F | 55.1°F |
| Oct 12 | 56.0°F | 55.1°F | 54.9°F |
| Oct 13 | 55.5°F | 54.9°F | 54.8°F |
| Oct 14 | 55.2°F | 55.5°F | 54.9°F |
| Oct 15 | 55.9°F | 55.6°F | 54.8°F |
| Oct 16 | 55.9°F | 54.5°F | 54.6°F |
| Oct 17 | 55.6°F | 54.3°F | 54.6°F |
| Oct 18 | 55.0°F | 53.9°F | 54.6°F |
| Oct 19 | 55.9°F | 53.9°F | 54.3°F |
| Oct 20 | 54.0°F | 54.9°F | 54.2°F |
| Oct 21 | 54.0°F | 55.0°F | 54.1°F |
| Oct 22 | 53.9°F | 55.0°F | 54.0°F |
| Oct 23 | 53.7°F | 54.7°F | 53.8°F |
| Oct 24 | 53.5°F | 54.3°F | 53.6°F |
| Oct 25 | 53.7°F | 56.7°F | 53.8°F |
| Oct 26 | 53.5°F | 56.0°F | 53.7°F |
| Oct 27 | 53.5°F | 55.6°F | 53.6°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.