Temperature:

Your Favorite Locations:

Your favorites list is empty.

Milk Beach – water temperature at Parramatta River

This page provides up-to-date information about the water temperature at Milk Beach, located on the Parramatta River in New South Wales. Here you can check current conditions, view recent temperature trends, explore typical monthly ranges, and compare today’s reading with historical averages for this date. The page also includes a 7-day water temperature forecast, local weather information, and swimming conditions.

Milk Beach
Milk Beach © Daithí Mac

Current Water Temperature

12.5°C
Today
12.5°C
Yesterday
11.9°C
A Week Ago

The water temperature in Parramatta River at Milk Beach today is 13°C.

Water Temperature in Parramatta River at Milk Beach: Daily Trends, Historical Records, and Forecast

⚠️ River water between 10 and 15°C is cold but manageable for short swims, especially on sunny days with warm air temperatures. The moving nature of a river can make the water feel colder than the actual reading, particularly in shaded or deeper sections. Casual swimming is usually brief, with wetsuits often preferred. Windy or cool weather can significantly reduce comfort, even when the air temperature is mild.

Water Temperature Over the Last 30 Days

Water temperatures in Milk Beach have been on a steady rise over the past month and have continued to climb over the last week.

According to our forecast, the water temperature in Milk Beach will be 11.8°C in the next 7 days. See the table below for daily data for the upcoming week.

Table of Daily Water Temperature Data

Date Current Average Forecast
Aug 1412.2°C11.7°C
Aug 1512.2°C11.7°C
Aug 1611.9°C11.7°C
Aug 1711.9°C11.7°C
Aug 1812.0°C11.7°C
Aug 1912.3°C11.7°C
Aug 2012.3°C11.7°C
Aug 2112.5°C11.7°C
Aug 2212.5°C11.7°C12.5°C
Aug 2311.7°C12.4°C
Aug 2411.7°C12.3°C
Aug 2511.7°C12.2°C
Aug 2611.7°C12.1°C
Aug 2711.7°C12.0°C
Aug 2811.7°C11.9°C
Aug 2911.7°C11.8°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Actual river water temperatures may vary by several degrees from the reported values, particularly after heavy rainfall or periods of changing weather. Rainfall, river flow rates, and runoff from cooler upstream areas can significantly affect water temperature, especially in flowing sections and shaded stretches. Air temperature and cloud cover also play an important role, with warm, sunny conditions helping rivers warm up more quickly. As a result, noticeable temperature differences can occur along the same river.

Our forecast is based on a proprietary mathematical model that takes into account real-time river temperature changes, historical data, seasonal patterns, river flow conditions, recent rainfall, and local air temperature. We also factor in broader weather conditions specific to each region of Australia to improve accuracy.

Monthly Water Temperature Range (Min, Max & Average)

Month Today Yesterday A Week Ago
January15°C24°C27°C
February21°C24°C27°C
March20°C22°C24°C
April16°C18°C21°C
May11°C14°C17°C
June10°C12°C13°C
July9°C11°C13°C
August10°C12°C14°C
September12°C15°C18°C
October16°C19°C22°C
November18°C21°C25°C
December13°C24°C26°C

Location & Local Information

Milk Beach is a small, secluded harbour beach in Sydney’s eastern suburbs, set along the calm waters of Sydney Harbour with the Tasman Sea beyond the heads. Water temperatures here are generally more stable than at open surf beaches. In summer, the harbour usually sits around 22–26 °C and can feel pleasantly warm in the shallows on still days. Autumn brings a gradual cool-down to roughly 20–23 °C. Winter is cooler but still comfortable for many swimmers, with temperatures typically between 16–20 °C, while spring sees a steady warm-up from about 18 °C into the low twenties as air temperatures rise.

Swimming Conditions

Swimming is allowed and popular at Milk Beach, largely because of its sheltered location. The absence of surf means there are no waves or ocean rips, creating calm, low-energy swimming conditions. Entry from the sand is easy, and the water is usually clear, especially during dry weather. Boat traffic exists farther out in the harbour, but the nearshore swimming area is generally quiet. Water quality can drop after heavy rain, so settled conditions are best. Overall, Milk Beach offers relaxed, comfortable swimming for much of the year, particularly for those who prefer calm harbour water over open-ocean conditions.

Nearby Places

Frequently Asked Questions

What is the current water temperature in Parramatta River at Milk Beach?
The water temperature in Parramatta River at Milk Beach today is 13°C.
What is the water temperature in Parramatta River at Milk Beach during the summer months?
In summer, water temperatures in Parramatta River at Milk Beach typically range from 13°C to 27°C.
Is it possible to swim in Parramatta River at Milk Beach (New South Wales)?
Yes — you can swim at Milk Beach on the Parramatta River, but tidal flows, boat traffic and water temperature make conditions variable, so it’s best suited to confident swimmers who take basic safety precautions. Always check local water-quality alerts (NSW Health/local council), obey on-site signage, avoid swimming after heavy rain, consider a wetsuit outside the warmest months and never swim alone.