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Richmond — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Richmond, trends, monthly ranges and the forecast for the coming days.

Richmond, United Kingdom
Richmond, United Kingdom © By Diliff, CC BY-SA 3.0

Current Water Temperature

16.3°C
Today
17.0°C
Yesterday
18.3°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Richmond today is 16.3°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart Over the Last 30 Days

From August 23 to September 23

Table of Daily Sea Temperature Data

Date Current Average Forecast
SEP 1618.3°C18.0°C
SEP 1718.2°C18.0°C
SEP 1817.7°C18.0°C
SEP 1917.6°C18.0°C
SEP 2016.7°C18.0°C
SEP 2117.4°C18.0°C
SEP 2217.0°C18.0°C
SEP 2316.3°C18.0°C
SEP 2418.0°C16.4°C
SEP 2518.0°C16.5°C
SEP 2618.0°C16.6°C
SEP 2718.0°C16.6°C
SEP 2818.0°C16.7°C
SEP 2918.0°C16.8°C
SEP 3018.0°C16.9°C

* Current - Actual water temperature value

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

*** Forecast - Our water temperature forecast

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January2°C6°C9°C
February3°C7°C9°C
March5°C9°C11°C
April8°C11°C14°C
May9°C14°C18°C
June13°C19°C24°C
July16°C20°C25°C
August15°C19°C24°C
September13°C18°C22°C
October9°C13°C16°C
November4°C8°C11°C
December3°C7°C9°C

Richmond: Weather Forecast

September 23

° / °
overcast
rain: 10% | wind:

September 24

° / °
overcast
rain: 0% | wind:

September 25

° / °
overcast
rain: 4% | wind:

September 26

° / °
overcast
rain: 8% | wind:

September 27

° / °
light drizzle
rain: 35% | wind:

Location & Local Information

Richmond, a leafy suburb in southwest London, lies along one of the most picturesque stretches of the River Thames. Here, the river is wide, calm, and tidal, with water temperatures that change steadily with the seasons. In winter, the Thames near Richmond typically measures around 5–7°C (41–45°F), remaining quite cold and brisk. By spring, it slowly rises to about 10–13°C (50–55°F), reaching its warmest levels in July and August, when temperatures range between 18 and 21°C (64–70°F). During early autumn, the water cools again to around 14–16°C (57–61°F), maintaining a fresh, mild character well into October. The mixture of tidal and freshwater influences keeps the flow gentle but variable throughout the year.

Swimming in the River Thames at Richmond is permitted in some areas, though it is best suited for experienced wild swimmers due to changing tides and boat traffic. The water is generally clean enough for short swims in summer, especially during calm weather, but swimmers are encouraged to stay close to the banks and remain cautious. For those preferring to stay dry, Richmond offers riverside walks, rowing, and boating, along with nearby attractions such as Richmond Park, the Royal Botanic Gardens at Kew, and beautiful Georgian riverside architecture.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Richmond?
Water Temperature in Richmond today is 16.3°C.
What is the water temperature in Richmond during the summer months?
The water temperature in Richmond in summer fluctuates in the range of 13°C - 25°C.
Is it possible to swim in Richmond (United Kingdom) in River Thames and what are the possibilities for this?
Yes — people do swim in the River Thames around Richmond but it is typically done via organised wild‑swim groups, supervised events or at established local entry points rather than casual solo dips, and many choose monitored outdoor pools or lidos instead because of variable water quality, boat traffic and currents, so always check local guidance, safety arrangements and recent water‑quality information before swimming.