10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
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
25
+16
+14
25 August, sun
+16
+14
Feels like
+13
751 mmHg
79%
7.1
m/s
SW
+15
25 August, Sunday. day, 16°; night, 14°; rain
26
+16
+13
26 August, mon
+16
+13
Feels like
+13
754 mmHg
81%
7.3
m/s
SW
+15
26 August, Monday. day, 16°; night, 13°; rain
27
+15
+14
27 August, tue
+15
+14
Feels like
+11
755 mmHg
81%
8.3
m/s
SW
+14
27 August, Tuesday. day, 15°; night, 14°; rain
28
+15
+13
28 August, wed
+15
+13
Feels like
+11
757 mmHg
81%
7.6
m/s
W
+14
28 August, Wednesday. day, 15°; night, 13°; overcast
29
August
+17
+8
29 August, thu
+17
+8
Feels like
+11
757 mmHg
73%
6.2
m/s
W
+15
Climate normal
+16
+13
29 August, Thursday. day, 17°; night, 8°; light rain
30
+17
+8
30 August, fri
+17
+8
Feels like
+11
763 mmHg
74%
4.3
m/s
SE
+15
Climate normal
+15
+14
30 August, Friday. day, 17°; night, 8°; light rain
31
+18
+13
31 August, sat
+18
+13
Feels like
+13
763 mmHg
74%
6
m/s
SE
+15
Climate normal
+15
+13
31 August, Saturday. day, 18°; night, 13°; mostly clear
1 September
+17
+15
1 September, sun
+17
+15
Feels like
+13
757 mmHg
83%
5.7
m/s
SE
+15
Climate normal
+16
+13
1 September, Sunday. day, 17°; night, 15°; light rain
2
+18
+12
2 September, mon
+18
+12
Feels like
+14
755 mmHg
77%
4
m/s
NE
+15
Climate normal
+15
+14
2 September, Monday. day, 18°; night, 12°; light rain
3
+18
+12
3 September, tue
+18
+12
Feels like
+14
756 mmHg
80%
3.7
m/s
W
+15
Climate normal
+16
+13
3 September, Tuesday. day, 18°; night, 12°; partly cloudy
4
+18
+14
4 September, wed
+18
+14
Feels like
+13
759 mmHg
73%
4.9
m/s
NW
+15
Climate normal
+15
+14
4 September, Wednesday. day, 18°; night, 14°; light rain
5
+18
+14
5 September, thu
+18
+14
Feels like
+14
760 mmHg
75%
3.8
m/s
N
+15
Climate normal
+14
+13
5 September, Thursday. day, 18°; night, 14°; light rain
6
+20
+14
6 September, fri
+20
+14
Feels like
+15
759 mmHg
79%
4.2
m/s
N
+15
Climate normal
+15
+13
6 September, Friday. day, 20°; night, 14°; mostly clear
7
+20
+13
7 September, sat
+20
+13
Feels like
+16
757 mmHg
77%
5
m/s
NW
Climate normal
+15
+13
7 September, Saturday. day, 20°; night, 13°; partly cloudy
8
+18
+13
8 September, sun
+18
+13
Feels like
+13
757 mmHg
71%
5.3
m/s
W
Climate normal
+15
+13
8 September, Sunday. day, 18°; night, 13°; partly cloudy
9
+18
+14
9 September, mon
+18
+14
Feels like
+13
757 mmHg
67%
4.6
m/s
W
Climate normal
+16
+14
9 September, Monday. day, 18°; night, 14°; partly cloudy
10
+15
+13
10 September, tue
+15
+13
Feels like
+12
759 mmHg
85%
6
m/s
NE
Climate normal
+15
+13
10 September, Tuesday. day, 15°; night, 13°; mostly clear
11
+13
+11
11 September, wed
+13
+11
Feels like
+8
760 mmHg
74%
5.2
m/s
NE
Climate normal
+15
+13
11 September, Wednesday. day, 13°; night, 11°; clear
12
+12
+11
12 September, thu
+12
+11
Feels like
+7
758 mmHg
76%
4
m/s
NE
Climate normal
+15
+12
12 September, Thursday. day, 12°; night, 11°; clear
13
+13
+11
13 September, fri
+13
+11
Feels like
+10
760 mmHg
74%
1.9
m/s
N
Climate normal
+14
+13
13 September, Friday. day, 13°; night, 11°; clear
14
+14
+14
14 September, sat
+14
+14
Feels like
+8
758 mmHg
80%
6.6
m/s
SE
Climate normal
+14
+13
14 September, Saturday. day, 14°; night, 14°; mostly clear
15
+15
+14
15 September, sun
+15
+14
Feels like
+9
749 mmHg
91%
10.1
m/s
SE
Climate normal
+14
+12
15 September, Sunday. day, 15°; night, 14°; rain
16
+15
+14
16 September, mon
+15
+14
Feels like
+12
752 mmHg
88%
5.5
m/s
SW
Climate normal
+13
+12
16 September, Monday. day, 15°; night, 14°; light rain
17
+15
+14
17 September, tue
+15
+14
Feels like
+8
753 mmHg
84%
8.7
m/s
SW
Climate normal
+13
+11
17 September, Tuesday. day, 15°; night, 14°; partly cloudy
18
+14
+13
18 September, wed
+14
+13
Feels like
+8
751 mmHg
83%
9.7
m/s
SW
Climate normal
+14
+12
18 September, Wednesday. day, 14°; night, 13°; partly cloudy
19
+15
+13
19 September, thu
+15
+13
Feels like
+10
756 mmHg
86%
5.9
m/s
W
Climate normal
+14
+12
19 September, Thursday. day, 15°; night, 13°; light rain
20
+13
+12
20 September, fri
+13
+12
Feels like
+9
761 mmHg
82%
6.4
m/s
W
Climate normal
+14
+13
20 September, Friday. day, 13°; night, 12°; partly cloudy
21
+14
+14
21 September, sat
+14
+14
Feels like
+4
757 mmHg
85%
10.9
m/s
SW
Climate normal
+14
+13
21 September, Saturday. day, 14°; night, 14°; rain
22
+14
+12
22 September, sun
+14
+12
Feels like
+9
748 mmHg
85%
5.7
m/s
W
Climate normal
+14
+12
22 September, Sunday. day, 14°; night, 12°; partly cloudy
23
+13
+12
23 September, mon
+13
+12
Feels like
+5
746 mmHg
80%
9.9
m/s
W
Climate normal
+13
+12
23 September, Monday. day, 13°; night, 12°; partly cloudy
24
+13
+15
24 September, tue
+13
+15
Feels like
+3
743 mmHg
81%
12.7
m/s
SW
Climate normal
+14
+12
24 September, Tuesday. day, 13°; night, 15°; rain
25
+12
+12
25 September, wed
+12
+12
Feels like
+1
734 mmHg
78%
12.9
m/s
SW
Climate normal
+13
+12
25 September, Wednesday. day, 12°; night, 12°; rain
26
+12
+12
26 September, thu
+12
+12
Feels like
+3
731 mmHg
85%
11.2
m/s
W
Climate normal
+15
+13
26 September, Thursday. day, 12°; night, 12°; rain
27
+12
+10
27 September, fri
+12
+10
Feels like
0
746 mmHg
76%
15.4
m/s
NW
Climate normal
+15
+14
27 September, Friday. day, 12°; night, 10°; light rain
Average data for 10 years
Next, the average data for 10 years
28
+15
+14
28 September, sat
+15
+14
Feels like
+11
758 mmHg
81%
8.5
m/s
SW
+14
28 September, Saturday. day, 15°; night, 14°; partly cloudy
Average for 30 days
8
sunny days
13
days with precipitation
9
cloudy days
8 sunny days; 13 days with precipitation; 9 cloudy days;
79
%
air humidity
6.9
m/s
Wind
W
9
mm of precipitation
(1% of annual average)
+15
°C
Water temperature
air humidity 79%; 9 millimeters of precipitation (1% of annual average); Wind westerly 6.9 Meters per second; Water temperature +15°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
SE
SE
SE
NE
W
NW
N
N
NW
W
W
NE
NE
NE
N
SE
SE
SW
SW
SW
W
W
SW
W
W
SW
SW
W
NW
29
Average data for 10 years
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Daytime temperature
Night-time temperature
