What is the current water temperature in Whyalla?

Q: What is the current water temperature in Whyalla?

As of now, in Whyalla, the water temperature is 18.55°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

Australia > Whyalla

Water temperature in Whyalla

Detailed information about the current water temperature in Whyalla. 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.

65.4

°F

October 13, 21:44

Trend:

decreasing

Yesterday:

66.3°F

Tomorrow:

65.4°F

Sunrise:

06:43

Sunset:

19:30

Day Length:

12 h. 47 min.

Whyalla in October

Minimum:

71.7°F

Average:

74.0°F

Maximum:

75.5°F

Sea water temperature in Whyalla today

As of now, in Whyalla, the water temperature is 65.4°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 2.1°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 reading indicates a minor change compared to the average water temperature of the last two weeks, but the overall trend remains steady. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 66.1°F on 2023, while the historical minimum was 60.4°F on 2016.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 65.9°F, with minimum temperature starting at 65.4°F, while the maximum might reach 66.3°F.

Daily water temperature in Whyalla

Date	Current Year actual* / forecast**	last year	10 years average
Sep 29	65.8°F	61.9°F	61.4°F
Sep 30	65.4°F	61.9°F	61.3°F
Oct 1	64.8°F	61.5°F	61.3°F
Oct 2	65.8°F	61.5°F	61.8°F
Oct 3	65.1°F	61.4°F	62.0°F
Oct 4	64.6°F	62.0°F	62.2°F
Oct 5	64.2°F	63.1°F	62.2°F
Oct 6	64.6°F	63.1°F	62.5°F
Oct 7	64.8°F	62.9°F	62.5°F
Oct 8	65.7°F	63.8°F	62.8°F
Oct 9	66.2°F	63.1°F	63.0°F
Oct 10	65.7°F	63.2°F	63.0°F
Oct 11	65.9°F	64.1°F	63.2°F
Oct 12	66.3°F	64.1°F	63.3°F
Oct 13	65.4°F	64.6°F	63.3°F
Oct 14	65.4°F	64.0°F	63.3°F
Oct 15	65.6°F	64.4°F	63.5°F
Oct 16	65.8°F	65.5°F	63.7°F
Oct 17	65.9°F	65.3°F	63.8°F
Oct 18	66.1°F	66.5°F	64.0°F
Oct 19	66.2°F	66.8°F	64.1°F
Oct 20	66.3°F	66.3°F	64.2°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 Whyalla by month

In Whyalla, the months January through March offer comfortable swimming conditions, which amounts to 78 swimming days.

The warmest water in Whyalla was recorded on January 25, 2019, reaching a 78.9°F. While the coldest temperature occurred on July 31, 2025, dipping to 53.5°F. The average readings by season are 73.5°F in Winter, 68.7°F in Spring, 56.6°F in Summer, and 63.4°F in Autumn.