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Lincoln — Current Water Temperature, Annual Trends and Forecast

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

River Witham, United Kingdom
River Witham, United Kingdom © By Adhemarius, CC BY 3.0

Current Water Temperature

17.4°C
Today
17.3°C
Yesterday
17.3°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 Lincoln today is 17.4°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 2 to September 2

Table of Daily Sea Temperature Data

Date Current Average Forecast
AUG 2617.3°C18.0°C
AUG 2717.3°C18.0°C
AUG 2817.3°C18.0°C
AUG 2917.3°C18.0°C
AUG 3017.3°C18.0°C
AUG 3117.3°C18.0°C
SEP 117.3°C16.0°C
SEP 217.4°C16.0°C
SEP 316.0°C17.3°C
SEP 416.0°C17.3°C
SEP 516.0°C17.2°C
SEP 616.0°C17.1°C
SEP 716.0°C17.1°C
SEP 816.0°C17.0°C
SEP 916.0°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
January1°C5°C8°C
February1°C5°C8°C
March2°C6°C9°C
April6°C9°C12°C
May9°C14°C18°C
June13°C18°C23°C
July15°C19°C24°C
August14°C18°C23°C
September11°C16°C20°C
October9°C12°C15°C
November4°C8°C12°C
December1°C5°C8°C

Lincoln: Weather Forecast

September 3

° / °
light drizzle
rain: 20% | wind:

September 4

° / °
moderate drizzle
rain: 75% | wind:

September 5

° / °
overcast
rain: 22% | wind:

September 6

° / °
light drizzle
rain: 35% | wind:

September 7

° / °
light drizzle
rain: 24% | wind:

September 8

° / °
slight rain showers
rain: 43% | wind:

Location & Local Information

Lincoln, a historic cathedral city in eastern England, is set along the River Witham, which flows gently through its centre before winding south toward the Fens. The river reflects the mild, maritime climate of the region, with gradual seasonal changes in water temperature. During winter, the Witham typically remains around 4–6°C (39–43°F), staying cool and slow-moving. By spring, it warms slightly to about 8–11°C (46–52°F). In midsummer, particularly during July and August, the river often reaches 17–20°C (63–68°F), with shallow, sunlit areas feeling even warmer. As autumn arrives, the water cools again to around 12–14°C (54–57°F), keeping a mild freshness that lasts into late October.

Swimming in the River Witham at Lincoln is possible, though it requires caution due to boat traffic and variable depths near the city. In calmer sections upstream or downstream, wild swimmers enjoy short dips in summer when the current is gentle and the water clean. Many locals prefer paddleboarding or riverside walks along the scenic embankments that trace the river through the city. Beyond the water, Lincoln offers a mix of natural and historic attractions, including its hilltop cathedral, medieval castle, and nearby nature reserves that reflect the tranquil character of the Witham Valley.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Lincoln?
Water Temperature in Lincoln today is 17.4°C.
What is the water temperature in Lincoln during the summer months?
The water temperature in Lincoln in summer fluctuates in the range of 13°C - 24°C.
Is it possible to swim in Lincoln (United Kingdom) in River Witham and what are the possibilities for this?
You can swim in parts of the River Witham around Lincoln—people sometimes do informal wild swims or join organised open-water events—but there are no officially designated bathing spots, water quality and hidden hazards can be variable so you should check local advice and permissions and consider supervised pools or lidos for safer, monitored conditions.