Water temperature in Seattle
56.4
°F
September 29, 04:20
Trend:
stableYesterday:
55.7°FTomorrow:
56.1°F
Sunrise:
Sunset:
Day Length:
11 h. 48 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 56.4°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. 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 fall a bit.Recent sea temperature and forecast
Today's water temperature is slightly 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 58.8°F on 2022, while the historical minimum was 55.1°F on 2021.
Daily water temperature in Seattle
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 15 | 57.1°F | 57.1°F | 56.9°F |
| Sep 16 | 57.4°F | 57.4°F | 56.7°F |
| Sep 17 | 56.7°F | 57.1°F | 56.6°F |
| Sep 18 | 56.4°F | 57.9°F | 56.4°F |
| Sep 19 | 56.9°F | 56.7°F | 56.3°F |
| Sep 20 | 57.2°F | 56.9°F | 56.1°F |
| Sep 21 | 57.1°F | 57.0°F | 56.1°F |
| Sep 22 | 57.5°F | 56.9°F | 56.3°F |
| Sep 23 | 59.1°F | 56.5°F | 56.4°F |
| Sep 24 | 59.8°F | 56.6°F | 56.5°F |
| Sep 25 | 58.4°F | 56.3°F | 56.4°F |
| Sep 26 | 55.4°F | 56.1°F | 56.2°F |
| Sep 27 | 56.2°F | 56.2°F | 56.0°F |
| Sep 28 | 55.7°F | 55.8°F | 56.1°F |
| Sep 29 | 56.4°F | 56.0°F | 56.5°F |
| Sep 30 | 56.1°F | 55.2°F | 56.1°F |
| Oct 1 | 55.8°F | 56.1°F | 55.9°F |
| Oct 2 | 55.5°F | 56.2°F | 55.6°F |
| Oct 3 | 55.6°F | 57.2°F | 55.7°F |
| Oct 4 | 55.5°F | 57.1°F | 55.5°F |
| Oct 5 | 55.2°F | 56.1°F | 55.3°F |
| Oct 6 | 55.3°F | 56.7°F | 55.4°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.