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Monthly weather forecast in Belfast
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
4
+16
+14
4 August, sun
+16
+14
Feels like
+14
753 mmHg
80%
7.5
m/s
SW
+15
4 August, Sunday. day, 16°; night, 14°; rain
5
+16
+14
5 August, mon
+16
+14
Feels like
+14
753 mmHg
83%
5.5
m/s
SW
+15
5 August, Monday. day, 16°; night, 14°; rain
6
+16
+14
6 August, tue
+16
+14
Feels like
+15
755 mmHg
79%
5.5
m/s
W
+15
6 August, Tuesday. day, 16°; night, 14°; rain
7
+16
+14
7 August, wed
+16
+14
Feels like
+13
756 mmHg
82%
6.6
m/s
SW
+15
7 August, Wednesday. day, 16°; night, 14°; rain
8
+16
+14
8 August, thu
+16
+14
Feels like
+13
758 mmHg
77%
7
m/s
W
+15
8 August, Thursday. day, 16°; night, 14°; overcast
9
+16
+13
9 August, fri
+16
+13
Feels like
+13
755 mmHg
82%
7.1
m/s
W
+15
9 August, Friday. day, 16°; night, 13°; rain
10
August
+20
+10
10 August, sat
+20
+10
Feels like
+14
757 mmHg
65%
7.1
m/s
W
+14
Climate normal
+16
+13
10 August, Saturday. day, 20°; night, 10°; light rain
11
+20
+17
11 August, sun
+20
+17
Feels like
+14
759 mmHg
75%
6.9
m/s
SE
+15
Climate normal
+16
+14
11 August, Sunday. day, 20°; night, 17°; overcast
12
+18
+13
12 August, mon
+18
+13
Feels like
+14
751 mmHg
72%
5
m/s
SW
+15
Climate normal
+16
+14
12 August, Monday. day, 18°; night, 13°; rain
13
+18
+11
13 August, tue
+18
+11
Feels like
+14
750 mmHg
73%
6.3
m/s
SW
+14
Climate normal
+16
+14
13 August, Tuesday. day, 18°; night, 11°; light rain
14
+18
+13
14 August, wed
+18
+13
Feels like
+11
753 mmHg
70%
7.4
m/s
SW
+15
Climate normal
+16
+14
14 August, Wednesday. day, 18°; night, 13°; rain
15
+17
+12
15 August, thu
+17
+12
Feels like
+11
752 mmHg
76%
7.5
m/s
SW
+15
Climate normal
+16
+14
15 August, Thursday. day, 17°; night, 12°; heavy rain
16
+17
+11
16 August, fri
+17
+11
Feels like
+10
754 mmHg
69%
7.2
m/s
W
+15
Climate normal
+16
+14
16 August, Friday. day, 17°; night, 11°; light rain
17
+18
+13
17 August, sat
+18
+13
Feels like
+11
754 mmHg
70%
6.8
m/s
SW
+15
Climate normal
+16
+14
17 August, Saturday. day, 18°; night, 13°; partly cloudy
18
+18
+12
18 August, sun
+18
+12
Feels like
+12
750 mmHg
70%
6.3
m/s
W
+15
Climate normal
+16
+14
18 August, Sunday. day, 18°; night, 12°; rain
19
+16
+12
19 August, mon
+16
+12
Feels like
+10
751 mmHg
71%
5.6
m/s
W
+14
Climate normal
+16
+14
19 August, Monday. day, 16°; night, 12°; light rain
20
+18
+13
20 August, tue
+18
+13
Feels like
+13
753 mmHg
67%
4.6
m/s
W
Climate normal
+16
+14
20 August, Tuesday. day, 18°; night, 13°; partly cloudy
21
+18
+12
21 August, wed
+18
+12
Feels like
+12
756 mmHg
62%
5.1
m/s
W
Climate normal
+15
+14
21 August, Wednesday. day, 18°; night, 12°; partly cloudy
22
+16
+16
22 August, thu
+16
+16
Feels like
+10
762 mmHg
78%
7.6
m/s
SE
Climate normal
+16
+14
22 August, Thursday. day, 16°; night, 16°; clear
23
+17
+16
23 August, fri
+17
+16
Feels like
+9
760 mmHg
83%
10.8
m/s
SE
Climate normal
+15
+13
23 August, Friday. day, 17°; night, 16°; partly cloudy
24
+15
+13
24 August, sat
+15
+13
Feels like
+14
764 mmHg
91%
3.3
m/s
N
Climate normal
+15
+13
24 August, Saturday. day, 15°; night, 13°; rain
25
+16
+12
25 August, sun
+16
+12
Feels like
+12
768 mmHg
82%
2.9
m/s
NW
Climate normal
+16
+14
25 August, Sunday. day, 16°; night, 12°; rain
26
+16
+15
26 August, mon
+16
+15
Feels like
+14
767 mmHg
84%
3
m/s
W
Climate normal
+16
+13
26 August, Monday. day, 16°; night, 15°; rain
27
+15
+15
27 August, tue
+15
+15
Feels like
+12
766 mmHg
93%
6.3
m/s
W
Climate normal
+15
+14
27 August, Tuesday. day, 15°; night, 15°; light rain
28
+16
+16
28 August, wed
+16
+16
Feels like
+14
766 mmHg
92%
5.1
m/s
W
Climate normal
+15
+13
28 August, Wednesday. day, 16°; night, 16°; light rain
29
+17
+17
29 August, thu
+17
+17
Feels like
+15
765 mmHg
90%
4.8
m/s
W
Climate normal
+16
+13
29 August, Thursday. day, 17°; night, 17°; partly cloudy
30
+17
+17
30 August, fri
+17
+17
Feels like
+16
767 mmHg
93%
3.9
m/s
SW
Climate normal
+15
+14
30 August, Friday. day, 17°; night, 17°; light rain
31
+18
+17
31 August, sat
+18
+17
Feels like
+17
767 mmHg
91%
2
m/s
E
Climate normal
+15
+13
31 August, Saturday. day, 18°; night, 17°; rain
1 September
+19
+18
1 September, sun
+19
+18
Feels like
+17
766 mmHg
89%
4.1
m/s
SE
Climate normal
+16
+13
1 September, Sunday. day, 19°; night, 18°; rain
2
+19
+18
2 September, mon
+19
+18
Feels like
+16
765 mmHg
87%
5.3
m/s
SE
Climate normal
+15
+14
2 September, Monday. day, 19°; night, 18°; light rain
3
+18
+18
3 September, tue
+18
+18
Feels like
+15
764 mmHg
80%
6.9
m/s
SE
Climate normal
+16
+13
3 September, Tuesday. day, 18°; night, 18°; partly cloudy
4
+18
+16
4 September, wed
+18
+16
Feels like
+13
761 mmHg
86%
9.5
m/s
SW
Climate normal
+15
+14
4 September, Wednesday. day, 18°; night, 16°; light rain
5
+17
+17
5 September, thu
+17
+17
Feels like
+11
760 mmHg
85%
10.1
m/s
SE
Climate normal
+14
+13
5 September, Thursday. day, 17°; night, 17°; partly cloudy
6
+17
+16
6 September, fri
+17
+16
Feels like
+11
756 mmHg
84%
9.8
m/s
S
Climate normal
+15
+13
6 September, Friday. day, 17°; night, 16°; partly cloudy
7
+15
+14
7 September, sat
+15
+14
Feels like
+14
760 mmHg
86%
3.2
m/s
NW
Climate normal
+15
+13
7 September, Saturday. day, 15°; night, 14°; partly cloudy
Average for 30 days
6
sunny days
14
days with precipitation
10
cloudy days
6 sunny days; 14 days with precipitation; 10 cloudy days;
80
%
air humidity
5.9
m/s
Wind
W
31
mm of precipitation
(4% of annual average)
+15
°C
Water temperature
air humidity 80%; 31 millimeters of precipitation (4% of annual average); Wind westerly 5.9 Meters per second; Water temperature +15°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
SE
SW
SW
SW
SW
W
SW
W
W
W
W
SE
SE
N
NW
W
W
W
W
SW
E
SE
SE
SE
SW
SE
S
NW
N
10
Average data for 10 years
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
September
2
3
4
5
6
7
8
Daytime temperature
Night-time temperature
