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River Exe — Current Water Temperature, Annual Trends and Forecast

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

River Exe, United Kingdom
River Exe, United Kingdom © By Gareth Jennings, CC BY-SA 4.0

Current Water Temperature

15.0°C
Today
14.9°C
Yesterday
15.2°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 the River Exe today is 15°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 August 23 to September 23

Table of Daily Sea Temperature Data

Date Current Average Forecast
SEP 1616.3°C15.0°C
SEP 1715.9°C15.0°C
SEP 1815.6°C15.0°C
SEP 1915.4°C15.0°C
SEP 2015.3°C15.0°C
SEP 2114.9°C15.0°C
SEP 2214.6°C15.0°C
SEP 2415.0°C15.0°C
SEP 2515.0°C15.0°C
SEP 2615.0°C15.0°C
SEP 2715.0°C15.0°C
SEP 2815.0°C15.0°C
SEP 2915.0°C15.0°C
SEP 3015.0°C15.0°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°C9°C
February3°C7°C9°C
March4°C8°C10°C
April6°C9°C12°C
May6°C10°C15°C
June12°C17°C21°C
July13°C18°C22°C
August14°C18°C23°C
September10°C15°C19°C
October6°C9°C12°C
November4°C8°C11°C
December3°C7°C9°C

River Exe: Water Temperature by Location

River Exe: Weather Forecast

September 23

° / °
light drizzle
rain: 4% | wind:

September 24

° / °
overcast
rain: 6% | wind:

September 25

° / °
light drizzle
rain: 14% | wind:

September 26

° / °
overcast
rain: 21% | wind:

September 27

° / °
moderate drizzle
rain: 61% | wind:

Location & Local Information

Source Exe Head
• location near Simonsbath, Somerset, England
• coordinates 51°09′33″N 3°47′12″W
• elevation 440 m (1,440 ft)
Mouth Lyme Bay
• location English Channel
• coordinates 50°36′53″N 3°25′30″W
• elevation 0 m (0 ft)
Length 96 km (60 mi)

The River Exe, one of Devon’s major waterways, flows from Exmoor National Park through Tiverton and Exeter before reaching the English Channel at Exmouth. Its temperature reflects the mild maritime climate of southwest England, with steady seasonal variation and relatively warm conditions compared to most British rivers. In winter, the Exe typically remains between 5 and 7°C (41–45°F), staying cold but rarely freezing. By spring, it gradually warms to about 9–12°C (48–54°F). During midsummer—especially in July and August—the water can reach 16–19°C (61–66°F) in calm stretches, particularly near Exeter and the estuary. As autumn approaches, the river cools again to around 11–13°C (52–55°F), maintaining a pleasant, fresh feel through much of the year.

Swimming in the River Exe is allowed and increasingly popular, especially in the cleaner upper sections and near Exeter Quay. The current is usually moderate, but swimmers should take care after rainfall or near the tidal lower reaches. The Exe Estuary itself offers opportunities for paddleboarding and open-water swimming in sheltered areas with good visibility. The surrounding region is rich in natural and cultural attractions, including the Exe Estuary Trail, Exmoor National Park, and the beaches of Exmouth, making the river a scenic and versatile destination for outdoor recreation.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in the River Exe?
Water Temperature in the River Exe today is 15°C.
What is the water temperature in the River Exe during the summer months?
The water temperature in the River Exe in summer fluctuates in the range of 12°C - 23°C.
Is it possible to swim in River Exe (United Kingdom) and what are the possibilities for this?
Yes — swimming is possible along the River Exe at a range of locations, from quieter upstream freshwater stretches and popular wild-swim spots to tidal estuary swims near Exeter and Exmouth (including sea swimming at the mouth), with local clubs and organised sessions available, though swimmers should always check tides, currents, water quality and local guidance before entering.