Glasgow — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Glasgow, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Glasgow 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
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUL 16 | 17.7°C | 17.0°C | |
| JUL 17 | 17.5°C | 17.0°C | |
| JUL 18 | 17.5°C | 17.0°C | |
| JUL 19 | 17.5°C | 17.0°C | |
| JUL 20 | 17.5°C | 17.0°C | |
| JUL 21 | 17.4°C | 17.0°C | |
| JUL 22 | 17.4°C | 17.0°C | |
| JUL 23 | 17.4°C | 17.0°C | |
| JUL 24 | 17.0°C | 17.4°C | |
| JUL 25 | 17.0°C | 17.4°C | |
| JUL 26 | 17.0°C | 17.3°C | |
| JUL 27 | 17.0°C | 17.3°C | |
| JUL 28 | 17.0°C | 17.3°C | |
| JUL 29 | 17.0°C | 17.3°C | |
| JUL 30 | 17.0°C | 17.3°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 |
|---|---|---|---|
| January | 0°C | 3°C | 6°C |
| February | 0°C | 3°C | 6°C |
| March | 1°C | 5°C | 8°C |
| April | 4°C | 7°C | 11°C |
| May | 8°C | 12°C | 17°C |
| June | 12°C | 17°C | 21°C |
| July | 12°C | 17°C | 21°C |
| August | 12°C | 17°C | 21°C |
| September | 9°C | 14°C | 18°C |
| October | 6°C | 9°C | 12°C |
| November | 4°C | 7°C | 10°C |
| December | 0°C | 4°C | 7°C |
Glasgow: Weather Forecast
July 24
July 25
July 26
July 27
Location & Local Information
Glasgow, Scotland’s largest city, sits along the middle stretch of the River Clyde, where the water transitions from its upland origins toward the wider tidal estuary. The Clyde in this region reflects the cool maritime climate typical of western Scotland. In winter, the river’s temperature generally stays between 4 and 6°C (39–43°F), remaining cold and fast-moving. During spring, it slowly rises to around 8–10°C (46–50°F), and in midsummer—usually July and August—it reaches about 14–16°C (57–61°F) in calmer sections. By early autumn, the water cools again to roughly 10–12°C (50–54°F), keeping a refreshing but chilly quality year-round. Even at its warmest, the Clyde in Glasgow rarely feels mild due to the constant flow and cooler regional climate.
Swimming in the River Clyde within Glasgow is not advised because of strong currents, boat traffic, and fluctuating water quality. The urban riverfront is designed more for walking, cycling, and sightseeing than for open-water swimming. However, wild swimmers sometimes venture into the upper Clyde Valley or nearby lochs during the summer months. Along the city’s riverside, visitors can enjoy cultural and architectural landmarks such as the Glasgow Science Centre, the Riverside Museum, and the Clyde Arc Bridge, all set against the backdrop of Scotland’s most dynamic urban landscape.