World Resorts United Kingdom Belfast Weather

Belfast 7 Days Forecast

17.03
tue
Day
52°F
N 21 mph
Precip.
74%
Night
46°F
N 6 mph
Precip.
0%
18.03
wed
Day
54°F
NW 9 mph
Precip.
0%
Night
45°F
SW 4 mph
Precip.
0%
19.03
thu
Day
55°F
W 7 mph
Precip.
0%
Night
43°F
W 6 mph
Precip.
0%
20.03
fri
Day
52°F
NW 8 mph
Precip.
0%
Night
39°F
SW 2 mph
Precip.
0%
21.03
sat
Day
52°F
W 6 mph
Precip.
72%
Night
39°F
W 2 mph
Precip.
0%
22.03
sun
Day
46°F
NW 12 mph
Precip.
100%
Night
43°F
NW 7 mph
Precip.
0%
23.03
mon
Day
48°F
N 11 mph
Precip.
0%
Night
45°F
N 10 mph
Precip.
0%

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

Sunniest months:
May 6 days
April 6 days
March 4 days
Warmest months:
July 63.3 °F
August 63.0 °F
June 61.0 °F
Warmest sea temp:
August 57.8 °F
September 57.7 °F
July 56.6 °F
Coldest months:
January 43.7 °F
February 45.5 °F
December 45.6 °F
Rainiest months:
July 7 days
June 6 days
August 6 days
Windiest months:
February 13.3 mph
December 13.1 mph
January 12.4 mph

Belfast on a weather map

Belfast
+55°F
N 21 mph
Feels like: +50°F
Precip.: 88%
Places in United Kingdom:
Name
°F
+55°F
+55°F
+52°F
+50°F
+55°F
+57°F
+52°F
+61°F
+57°F
+57°F
+57°F
+52°F
+55°F
+54°F
+50°F
24 Hours Forecast
Belfast
Local time: 14:01
March 17, tuesday
1500
55°F
N
21 mph
1800
50°F
NE
12 mph
2100
48°F
N
6 mph
March 18, wednesday
0000
46°F
N
6 mph
0300
45°F
NW
5 mph
0600
41°F
NW
3 mph
0900
50°F
NW
6 mph
1200
54°F
NW
9 mph
Units of measurement: °C / °F