Water temperature in Perth
68.1
°F
April 25, 23:09
Trend:
decreasingYesterday:
68.6°FTomorrow:
68.0°F
Sunrise:
Sunset:
Day Length:
11 h. 1 min.Perth in May
Minimum:
71.5°FAverage:
73.8°FMaximum:
75.4°FSea water temperature in Perth today
As of now, in Perth, the water temperature is 68.1°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.7°F lower 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 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 71.3°F on 2025, while the historical minimum was 68.6°F on 2019.
Daily water temperature in Perth
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Apr 11 | 69.1°F | 72.8°F | 71.1°F |
| Apr 12 | 68.4°F | 72.5°F | 70.8°F |
| Apr 13 | 69.4°F | 73.1°F | 71.0°F |
| Apr 14 | 69.9°F | 73.0°F | 70.8°F |
| Apr 15 | 70.6°F | 73.6°F | 70.9°F |
| Apr 16 | 70.3°F | 72.8°F | 70.7°F |
| Apr 17 | 70.4°F | 72.4°F | 70.6°F |
| Apr 18 | 71.0°F | 72.9°F | 70.7°F |
| Apr 19 | 70.4°F | 72.1°F | 70.5°F |
| Apr 20 | 69.3°F | 71.7°F | 70.3°F |
| Apr 21 | 69.7°F | 70.8°F | 70.1°F |
| Apr 22 | 69.0°F | 71.6°F | 70.0°F |
| Apr 23 | 69.0°F | 71.9°F | 70.0°F |
| Apr 24 | 68.6°F | 71.9°F | 70.0°F |
| Apr 25 | 68.1°F | 71.3°F | 69.9°F |
| Apr 26 | 68.0°F | 71.0°F | 69.8°F |
| Apr 27 | 67.9°F | 70.6°F | 69.7°F |
| Apr 28 | 67.9°F | 70.2°F | 69.6°F |
| Apr 29 | 67.5°F | 69.6°F | 69.3°F |
| Apr 30 | 67.5°F | 69.2°F | 69.2°F |
| May 1 | 67.4°F | 69.1°F | 69.2°F |
| May 2 | 67.4°F | 69.4°F | 69.1°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.