Measurements:
°C
°F
CURRENT WEATHER
05:15
Belfast
36°F
SW 4 mph
Feels like: 34°F
Precip: 23%
World Resorts United Kingdom Belfast Weather

7 Day Weather Forecast

10.19
mon
DAY
50°F
W 9 mph
precip
24%
NIGHT
42°F
NW 5 mph
precip
13%
10.20
tue
DAY
50°F
NW 6 mph
precip
27%
NIGHT
42°F
NW 5 mph
precip
29%
10.21
wed
DAY
42°F
E 22 mph
precip
71%
NIGHT
36°F
NE 8 mph
precip
16%
10.22
thu
DAY
50°F
NE 14 mph
precip
9%
NIGHT
38°F
E 6 mph
precip
29%
10.23
fri
DAY
42°F
E 14 mph
precip
30%
NIGHT
42°F
E 21 mph
precip
73%
10.24
sat
DAY
46°F
E 11 mph
precip
18%
NIGHT
44°F
NW 6 mph
precip
29%
10.25
sun
DAY
56°F
NE 10 mph
precip
34%
NIGHT
60°F
NE 16 mph
precip
30%

Belfast Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Belfast was 14.0°F. The maximum and minimum values were 13.2°F and 14.5°F respectively.

Belfast on the Weather Map

Best Time to Visit Belfast
The most sunny months:
May 6 days
April 6 days
March 5 days
The most warm months:
July 64.9 °F
August 64.5 °F
June 62.2 °F
Warmest sea temperature:
August 58.9 °F
September 58.6 °F
July 57.7 °F
The most cold months:
January 43.0 °F
February 45.0 °F
December 45.1 °F
The most rainy months:
June 6 days
July 6 days
August 6 days
The most windy months:
February 13 mph
December 13 mph
January 12 mph
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