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Banbury Reservoir — Current Water Temperature, Annual Trends and Forecast

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

William Girling Reservoir, United Kingdom
William Girling Reservoir, United Kingdom © By Rayxt, CC BY-SA 4.0

Current Water Temperature

14.7°C
Today
15.3°C
Yesterday
15.9°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 Banbury Reservoir today is 14.7°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 September 12 to October 13

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 515.9°C15.0°C
OCT 615.9°C15.0°C
OCT 715.9°C15.0°C
OCT 815.4°C15.0°C
OCT 915.3°C15.0°C
OCT 1014.6°C15.0°C
OCT 1115.3°C15.0°C
OCT 1214.8°C15.0°C
OCT 1315.0°C14.7°C
OCT 1415.0°C14.7°C
OCT 1515.0°C14.7°C
OCT 1615.0°C14.8°C
OCT 1715.0°C14.8°C
OCT 1815.0°C14.8°C
OCT 1915.0°C14.8°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
January3°C7°C10°C
February4°C8°C11°C
March6°C10°C13°C
April9°C13°C17°C
May11°C17°C22°C
June14°C22°C28°C
July19°C24°C29°C
August18°C23°C28°C
September16°C21°C26°C
October11°C15°C19°C
November4°C9°C13°C
December4°C8°C11°C

Banbury Reservoir: Water Temperature by Location

Banbury Reservoir: Weather Forecast

October 13

° / °
light drizzle
rain: 33% | wind:

October 14

° / °
overcast
rain: 0% | wind:

October 15

° / °
overcast
rain: 17% | wind:

October 16

° / °
moderate drizzle
rain: 31% | wind:

October 17

° / °
overcast
rain: 18% | wind:

Location & Local Information

#Greater London

Banbury Reservoir in Greater London, England is a shallow municipal reservoir whose surface temperatures follow the typical seasonal pattern for urban reservoirs in the region. In winter the water often sits around 4–7 °C (39–45 °F), rising in spring to roughly 6–12 °C (43–54 °F). Summer surface temperatures commonly reach 15–22 °C (59–72 °F), and in warm spells can approach the mid-20s °C (mid-70s °F), while autumn sees cooling back to about 10–14 °C (50–57 °F). These figures are approximate averages for surface layers; deeper water and shaded areas remain colder year-round and temperatures can vary with weather, inflows and reservoir management.

Swimming at Banbury Reservoir is generally not permitted. The site functions as part of the water supply and conservation infrastructure, and access is restricted for safety, water quality and operational reasons; cold-water shock, underwater hazards and water treatment requirements are additional concerns. Visitors seeking recreation will find nearby attractions such as the Walthamstow Wetlands nature reserve with birdwatching and walking routes, the William Morris Gallery in Walthamstow and the Lea Valley linear park with cycling and riverside paths.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Banbury Reservoir?
Water Temperature in Banbury Reservoir today is 14.7°C.
What is the water temperature in Banbury Reservoir during the summer months?
The water temperature in Banbury Reservoir in summer fluctuates in the range of 14°C - 29°C.
Is it possible to swim in Banbury Reservoir (United Kingdom) and what are the possibilities for this?
Swimming at Banbury Reservoir is not generally permitted because it is a working water-supply reservoir with no public facilities, though organised or licensed activities may be allowed with the owner's permission and unsupervised wild swimming is discouraged for safety and water-quality reasons.