17.07
fri
fri
Day
70°F
S 6 mph
Precip.
6%
6%
Night
54°F
SE 11 mph
Precip.
10%
10%
18.07
sat
sat
Day
64°F
SE 13 mph
Precip.
4%
4%
Night
50°F
E 4 mph
Precip.
28%
28%
19.07
sun
sun
Day
66°F
SE 9 mph
Precip.
3%
3%
Night
54°F
SE 10 mph
Precip.
23%
23%
20.07
mon
mon
Day
66°F
S 11 mph
Precip.
6%
6%
Night
54°F
SE 7 mph
Precip.
27%
27%
21.07
tue
tue
Day
66°F
SE 13 mph
Precip.
8%
8%
Night
54°F
SE 9 mph
Precip.
14%
14%
22.07
wed
wed
Day
64°F
SE 17 mph
Precip.
6%
6%
Night
50°F
SE 6 mph
Precip.
31%
31%
23.07
thu
thu
Day
66°F
SE 8 mph
Precip.
14%
14%
Night
50°F
E 6 mph
Precip.
13%
13%
24.07
fri
fri
Day
66°F
E 13 mph
Precip.
8%
8%
Night
54°F
SE 5 mph
Precip.
19%
19%
25.07
sat
sat
Day
64°F
NW 2 mph
Precip.
5%
5%
Night
50°F
N 2 mph
Precip.
12%
12%
26.07
sun
sun
Day
68°F
NE 4 mph
Precip.
4%
4%
Night
52°F
S 2 mph
Precip.
15%
15%
27.07
mon
mon
Day
68°F
NW 5 mph
Precip.
6%
6%
Night
52°F
S 4 mph
Precip.
13%
13%
28.07
tue
tue
Day
70°F
SW 7 mph
Precip.
6%
6%
Night
57°F
SE 5 mph
Precip.
22%
22%
29.07
wed
wed
Day
68°F
E 6 mph
Precip.
36%
36%
Night
59°F
W 3 mph
Precip.
46%
46%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 59.4°F. The highest and lowest sea temperatures during the month were 63.7°F and 55.9°F.
Air temperature in Belfast, °F
Precipitation total in Belfast, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Belfast
Belfast on a weather map
Places in United Kingdom:
Name
°F
24 Hours Forecast
Belfast
Local time: 00:14
July 17, friday
0300
55°F
SE
5 mph
5 mph
0600
55°F
SE
4 mph
4 mph
0900
64°F
SE
4 mph
4 mph
1200
70°F
S
6 mph
6 mph
1500
72°F
S
6 mph
6 mph
1800
66°F
SE
11 mph
11 mph
2100
57°F
SE
11 mph
11 mph
July 18, saturday
0000
54°F
SE
11 mph
11 mph
