Georges River – current river water temperature and swimming conditions

This page shows the current river water temperature at Georges River in New South Wales. You can explore recent temperature trends, typical monthly ranges, and historical averages for this date. The page also includes a 7-day water temperature forecast, local weather conditions, and an overview of how suitable the river is for swimming.

Current Water Temperature

15.7°C

Today

15.8°C

Yesterday

16.3°C

A Week Ago

The water temperature in Georges River today is 16°C.

Water Temperature in Georges River: Daily Trends, Historical Records, and Forecast

⚠️ A river temperature of 15 to 20°C is generally considered cool to comfortable for swimming in Australia. On warm, calm days, this range allows for relaxed swimming and longer time in the water. Comfort depends heavily on air temperature and sunshine, as cooler weather can still make the water feel chilly. This range is popular for river swimming during spring and early autumn.

Water Temperature Over the Last 30 Days

Water temperatures in Georges River have been gradually cooling over the past month, with a further drop recorded during the last week.

According to our forecast, the water temperature in Georges River will be 13.7°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
Apr 28	16.4°C	13.5°C
Apr 29	16.3°C	13.5°C
Apr 30	16.3°C	13.5°C
May 1	16.3°C	13.5°C
May 2	16.3°C	13.5°C
May 3	16.0°C	13.5°C
May 4	15.9°C	13.5°C
May 5	15.8°C	13.5°C
May 6	15.7°C	13.5°C	15.7°C
May 7		13.5°C	15.4°C
May 8		13.5°C	15.1°C
May 9		13.5°C	14.8°C
May 10		13.5°C	14.6°C
May 11		13.5°C	14.3°C
May 12		13.5°C	14.0°C
May 13		13.5°C	13.7°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
January	21°C	24°C	27°C
February	20°C	24°C	27°C
March	18°C	22°C	24°C
April	14°C	18°C	21°C
May	10°C	14°C	17°C
June	9°C	11°C	13°C
July	8°C	10°C	12°C
August	9°C	11°C	14°C
September	11°C	14°C	18°C
October	14°C	18°C	22°C
November	18°C	21°C	25°C
December	20°C	23°C	26°C

Location & Local Information

Source Upland swamps, O'Hares Creek
• location east of Appin in Macarthur
• coordinates 34°15′00″S 150°49′48″E
• elevation 350 m (1,150 ft)
Mouth Botany Bay
• location Taren Point/Sans Souci
• coordinates 34.0066940°S 151.1421598°E
Length 96 km (60 mi)

The Georges River flows through southern Sydney, winding past bushland, sandstone cliffs, and urban suburbs before reaching Botany Bay. Water temperature in the river varies noticeably through the year. In summer, temperatures typically sit around 20–24°C, feeling warm enough for swimming, especially in sheltered bays and upstream sections. Spring and autumn are milder, with the river usually ranging between 16–20°C, which can still be comfortable on sunny days. During winter, the water cools to roughly 12–15°C, giving it a brisk edge that tends to limit swimming to short dips rather than long stays.

Swimming Conditions

Swimming in the Georges River is generally allowed, but conditions depend heavily on location and recent weather. Upstream areas with less tidal influence and good water circulation are the most popular for recreational swimming, particularly within bushland reserves. These spots often have calmer water and better overall water quality. In contrast, lower sections closer to the estuary can be affected by tides, boat traffic, and reduced clarity. After heavy rainfall, runoff can temporarily lower water quality and temperature, so swimming is best avoided then. In settled summer conditions, however, the Georges River provides a convenient and refreshing freshwater swimming option within the Sydney region, especially for those seeking a quieter alternative to ocean beaches.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in Georges River?

The water temperature in Georges River today is 16°C.

What is the water temperature in Georges River during the summer months?

In summer, water temperatures in Georges River typically range from 20°C to 27°C.

Is it possible to swim in Georges River (New South Wales)?

Yes — many sections of the Georges River are popular for swimming, especially in sheltered parks and designated spots, but water quality can decline after heavy rain and some areas have strong currents, boat traffic and algal growth. Always check current water‑quality alerts with NSW Health or your local council, follow signage, swim at patrolled or sheltered locations where possible and take extra care with children and inexperienced swimmers.