17.03
tue
tue
Day
52°F
N 21 mph
Precip.
74%
74%
Night
46°F
N 6 mph
Precip.
0%
0%
18.03
wed
wed
Day
54°F
NW 9 mph
Precip.
0%
0%
Night
45°F
SW 4 mph
Precip.
0%
0%
19.03
thu
thu
Day
55°F
W 7 mph
Precip.
0%
0%
Night
43°F
W 6 mph
Precip.
0%
0%
20.03
fri
fri
Day
52°F
NW 8 mph
Precip.
0%
0%
Night
39°F
SW 2 mph
Precip.
0%
0%
21.03
sat
sat
Day
52°F
W 6 mph
Precip.
72%
72%
Night
39°F
W 2 mph
Precip.
0%
0%
22.03
sun
sun
Day
46°F
NW 12 mph
Precip.
100%
100%
Night
43°F
NW 7 mph
Precip.
0%
0%
23.03
mon
mon
Day
48°F
N 11 mph
Precip.
0%
0%
Night
45°F
N 10 mph
Precip.
0%
0%
24.03
tue
tue
Day
48°F
NE 22 mph
Precip.
100%
100%
Night
41°F
NE 16 mph
Precip.
0%
0%
25.03
wed
wed
Day
52°F
E 17 mph
Precip.
0%
0%
Night
52°F
NE 15 mph
Precip.
0%
0%
26.03
thu
thu
Day
52°F
NE 14 mph
Precip.
77%
77%
Night
43°F
E 9 mph
Precip.
0%
0%
27.03
fri
fri
Day
48°F
E 20 mph
Precip.
88%
88%
Night
41°F
E 15 mph
Precip.
79%
79%
28.03
sat
sat
Day
50°F
E 19 mph
Precip.
66%
66%
Night
43°F
NE 22 mph
Precip.
100%
100%
29.03
sun
sun
Day
45°F
E 18 mph
Precip.
100%
100%
Night
37°F
E 12 mph
Precip.
0%
0%
30.03
mon
mon
Day
45°F
E 7 mph
Precip.
100%
100%
Night
36°F
E 3 mph
Precip.
100%
100%
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 46.0°F. The highest and lowest sea temperatures during the month were 46.8°F and 45.5°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: 14:03
March 17, tuesday
1500
55°F
N
21 mph
21 mph
1800
50°F
NE
12 mph
12 mph
2100
48°F
N
6 mph
6 mph
March 18, wednesday
0000
46°F
N
6 mph
6 mph
0300
45°F
NW
5 mph
5 mph
0600
41°F
NW
3 mph
3 mph
0900
50°F
NW
6 mph
6 mph
1200
54°F
NW
9 mph
9 mph
