Measurements:
°C
°F
Glasgow
48°F
W 5 mph
Feels like: 44°F
Precip: 29%
World Resorts United Kingdom Glasgow Weather

Glasgow Sea Water Temperature

Current Sea Water Temperature:
+58.4°F
Maximum Sea Water Temperature in September: 61.8°F
Minimum Sea Water Temperature in September: 53.6°F
Average water temperature in September: 57.5°F

Sea Water Temperature for the Last 10 Days:

September 28 58.4°F September 23 58.8°F
September 27 58.8°F September 22 59.6°F
September 26 58.8°F September 21 59.4°F
September 25 58.8°F September 20 59.8°F
September 24 59.4°F September 19 59.6°F

When is the Warmest Sea for Glasgow?

According to our data for the last three years for Glasgow the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Glasgow was 61.8°F. The maximum and minimum values were 60.2°F and 63.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Glasgow was 61.0°F. The maximum and minimum values were 59.4°F and 62.8°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Glasgow was 59.7°F. The maximum and minimum values were 58.4°F and 60.8°F respectively.

Best Time to Visit Glasgow
The most sunny months:
May 5 days
April 5 days
March 4 days
The most warm months:
July 65.0 °F
August 63.7 °F
June 62.0 °F
Warmest sea temperature:
August 59.9 °F
July 58.7 °F
September 57.5 °F
The most cold months:
January 39.0 °F
December 40.9 °F
February 41.6 °F
The most rainy months:
December 9 days
October 9 days
November 8 days
The most windy months:
February 11 mph
December 10 mph
January 10 mph

Glasgow on the Weather Map

United Kingdom Resorts:
NAME
F°
Bath +54
Belfast +50
Bournemouth +58
Brighton +64
Bristol +54
Edinburgh +50
Gibraltar +66
Glasgow +48
Liverpool +56
London +62
Middlesbrough +48
Plymouth +52
Scarborough +52
Torquay +50
York +50
24 Hours Weather Forecast
Glasgow
Local time: 00:20
29 sep, tuesday
0300 46°F
W
5 mph
0600 46°F
W
6 mph
0900 48°F
W
9 mph
1200 58°F
W
12 mph
1500 60°F
W
14 mph
1800 58°F
W
13 mph
2100 60°F
W
11 mph
30 sep, wednesday
0000 62°F
NW
10 mph