What is the current water temperature in Perth?

Q: What is the current water temperature in Perth?

As of now, in Perth, the water temperature is 19.79°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

Australia > Perth

Water temperature in Perth

Detailed information about the current water temperature in Perth. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

67.6

°F

June 8, 19:44

Trend:

decreasing

Yesterday:

67.9°F

Tomorrow:

67.6°F

Sunrise:

07:12

Sunset:

17:19

Day Length:

10 h. 7 min.

Perth in June

Minimum:

71.5°F

Average:

73.4°F

Maximum:

75.5°F

Sea water temperature in Perth today

As of now, in Perth, the water temperature is 67.6°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 0.7°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 closely matches the previous two weeks' average, indicating a stable trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 68.1°F on 2020, while the historical minimum was 64.9°F on 2016.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 67.5°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Perth

Date	Current Year actual* / forecast**	last year	10 years average
May 25	67.5°F	67.9°F	67.6°F
May 26	67.4°F	68.3°F	67.7°F
May 27	67.3°F	68.3°F	67.5°F
May 28	67.3°F	68.4°F	67.4°F
May 29	67.2°F	68.2°F	67.2°F
May 30	67.2°F	68.4°F	67.2°F
May 31	67.6°F	68.4°F	67.3°F
Jun 1	67.9°F	68.2°F	67.4°F
Jun 2	67.9°F	68.4°F	67.4°F
Jun 3	68.3°F	68.2°F	67.4°F
Jun 4	68.3°F	68.0°F	67.4°F
Jun 5	68.2°F	68.1°F	67.3°F
Jun 6	67.7°F	67.6°F	67.1°F
Jun 7	67.9°F	67.4°F	67.1°F
Jun 8	67.6°F	67.9°F	66.9°F
Jun 9	67.6°F	67.9°F	66.9°F
Jun 10	67.4°F	67.7°F	66.7°F
Jun 11	67.5°F	67.7°F	66.8°F
Jun 12	67.6°F	67.5°F	66.9°F
Jun 13	67.6°F	67.4°F	66.9°F
Jun 14	67.5°F	67.6°F	66.8°F
Jun 15	67.4°F	67.7°F	66.7°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.

Sea water temperature in Perth by month

In Perth, the months January through March offer comfortable swimming conditions, which amounts to 81 swimming days.

The warmest water in Perth was recorded on February 8, 2025, reaching a 78.6°F. While the coldest temperature occurred on September 6, 2018, dipping to 60.8°F. The average readings by season are 73.4°F in Winter, 70.8°F in Spring, 64.9°F in Summer, and 65.7°F in Autumn.