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Weather Belfast: Current forecast

Belfast / United Kingdom

70.3 °F
Feels like 65.5 °F
Min 55 °F / Max 70 °F
Weather Belfast: Patchy rain possible, 70 °F Patchy rain possible
12.1 mph NW
Wind
14.2 mph NW
Gusts
1003 hPa
Pressure
0.2 mm
Precipitation
60 %
Humidity
5
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass Moderate
Mugwort Moderate
Ragweed Low
06:23 / 20:26
Sunrise / Sunset
20:24 / 06:48
Moonrise / Moonset
Full Moon (98 %)
Moon phase

Updated: Aug 28, 2026, 17:20 CEST Aug 28, 2026, 16:20 BST

Today's Summary

Right now Belfast has patchy rain possible weather. The thermometer currently shows 21.3°C. Take an umbrella with you today – you'll probably need it. During the day temperatures will range between 12.6°C and 21.3°C.

Hourly forecast – Belfast, today

Aug 28, 17:00
65 °F
Sunny
Belfast Aug 28, 17:00: Sunny, 65 °F
Aug 28, 18:00
60 °F
Sunny
Belfast Aug 28, 18:00: Sunny, 60 °F
Aug 28, 19:00
57 °F
Clear
Belfast Aug 28, 19:00: Clear, 57 °F
Aug 28, 20:00
56 °F
Clear
Belfast Aug 28, 20:00: Clear, 56 °F
Aug 28, 21:00
55 °F
Mist
Belfast Aug 28, 21:00: Mist, 55 °F
Aug 28, 22:00
54 °F
Mist
Belfast Aug 28, 22:00: Mist, 54 °F
Aug 28, 23:00
53 °F
Mist
Belfast Aug 28, 23:00: Mist, 53 °F
Aug 29, 00:00
53 °F
Mist
Belfast Aug 29, 00:00: Mist, 53 °F
Aug 29, 01:00
52 °F
Mist
Belfast Aug 29, 01:00: Mist, 52 °F
Aug 29, 02:00
52 °F
Mist
Belfast Aug 29, 02:00: Mist, 52 °F
Aug 29, 03:00
52 °F
Mist
Belfast Aug 29, 03:00: Mist, 52 °F
Aug 29, 04:00
52 °F
Mist
Belfast Aug 29, 04:00: Mist, 52 °F
Aug 29, 05:00
52 °F
Mist
Belfast Aug 29, 05:00: Mist, 52 °F
Aug 29, 06:00
54 °F
Overcast
Belfast Aug 29, 06:00: Overcast, 54 °F
Aug 29, 07:00
57 °F
Overcast
Belfast Aug 29, 07:00: Overcast, 57 °F
Aug 29, 08:00
59 °F
Overcast
Belfast Aug 29, 08:00: Overcast, 59 °F
Aug 29, 09:00
60 °F
Patchy rain possible
Belfast Aug 29, 09:00: Patchy rain possible, 60 °F
Aug 29, 10:00
61 °F
Patchy rain possible
Belfast Aug 29, 10:00: Patchy rain possible, 61 °F
Aug 29, 11:00
62 °F
Overcast
Belfast Aug 29, 11:00: Overcast, 62 °F
Aug 29, 12:00
62 °F
Patchy rain possible
Belfast Aug 29, 12:00: Patchy rain possible, 62 °F
Aug 29, 13:00
62 °F
Patchy rain possible
Belfast Aug 29, 13:00: Patchy rain possible, 62 °F
Aug 29, 14:00
61 °F
Patchy rain possible
Belfast Aug 29, 14:00: Patchy rain possible, 61 °F
Aug 29, 15:00
61 °F
Patchy rain possible
Belfast Aug 29, 15:00: Patchy rain possible, 61 °F
Aug 29, 16:00
61 °F
Patchy rain possible
Belfast Aug 29, 16:00: Patchy rain possible, 61 °F
Time
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
Belfast Aug 28, 17:00: Sunny
Belfast Aug 28, 18:00: Sunny
Belfast Aug 28, 19:00: Clear
Belfast Aug 28, 20:00: Clear
Belfast Aug 28, 21:00: Mist
Belfast Aug 28, 22:00: Mist
Belfast Aug 28, 23:00: Mist
Belfast Aug 29, 00:00: Mist
Belfast Aug 29, 01:00: Mist
Belfast Aug 29, 02:00: Mist
Belfast Aug 29, 03:00: Mist
Belfast Aug 29, 04:00: Mist
Belfast Aug 29, 05:00: Mist
Belfast Aug 29, 06:00: Overcast
Belfast Aug 29, 07:00: Overcast
Belfast Aug 29, 08:00: Overcast
Belfast Aug 29, 09:00: Patchy rain possible
Belfast Aug 29, 10:00: Patchy rain possible
Belfast Aug 29, 11:00: Overcast
Belfast Aug 29, 12:00: Patchy rain possible
Belfast Aug 29, 13:00: Patchy rain possible
Belfast Aug 29, 14:00: Patchy rain possible
Belfast Aug 29, 15:00: Patchy rain possible
Belfast Aug 29, 16:00: Patchy rain possible
Temperature (°F)
Chance of rain (%)
6
11
14
15
19
20
39
39
25
38
38
38
38
30
28
27
26
24
22
23
24
24
23
26
Precipitation
0 mm
0 mm
0 mm
0 mm
0 mm
0 mm
0 mm
Wind (mph)
NNW
7
NNW
4
NNW
3
WNW
3
WNW
4
WNW
4
W
3
NW
3
NW
2
NNW
3
N
1
NNE
2
NE
3
E
3
E
4
E
5
E
6
E
6
ENE
5
ENE
5
E
5
E
3
SE
2
SSE
0
Pressure (hPa)
1003
1003
1004
1004
1004
1004
1004
1003
1003
1003
1003
1002
1002
1003
1002
1003
1003
1003
1002
1002
1003
1003
1003
1003
Humidity (%)
73 %
84 %
91 %
94 %
95 %
96 %
96 %
96 %
96 %
96 %
95 %
94 %
94 %
91 %
88 %
85 %
83 %
80 %
77 %
76 %
77 %
78 %
78 %
81 %
Cloud cover (%)
0 %
0 %
0 %
0 %
0 %
0 %
100 %
100 %
39 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %

14-day weather forecast – Belfast

14-day trend for Belfast: Forecasts suggest a marked cooldown in the second week. Lows can drop to around 6°C at night, with daytime highs up to 21.3°C.

Date
Aug 28
Aug 29
Aug 30
Aug 31
Sep 1
Sep 2
Sep 3
Sep 4
Sep 5
Sep 6
Sep 7
Sep 8
Sep 9
Sep 10
Belfast August 28, 2026: Patchy rain possible
Belfast August 29, 2026: Patchy rain possible
Belfast August 30, 2026: Fog
Belfast August 31, 2026: Patchy rain possible
Belfast September 1, 2026: Patchy rain possible
Belfast September 2, 2026: Light rain shower
Belfast September 3, 2026: Patchy rain possible
Belfast September 4, 2026: Patchy rain possible
Belfast September 5, 2026: Patchy rain possible
Belfast September 6, 2026: Patchy rain possible
Belfast September 7, 2026: Patchy rain possible
Belfast September 8, 2026: Overcast
Belfast September 9, 2026: Sunny
Belfast September 10, 2026: Sunny
Temperature (°F)
Chance of rain (%)
78
69
85
54
81
91
78
66
45
43
61
80
63
14
Precipitation
3.9 mm
0.9 mm
3.6 mm
0.5 mm
4.5 mm
6.2 mm
1.5 mm
0.9 mm
0.3 mm
0.5 mm
1.2 mm
3.2 mm
1.4 mm
0 mm
Wind max (mph)
12
6
10
14
18
14
23
11
13
11
12
13
12
12
Date Weather Min °F Max °F Sunrise Sunset Moonrise Moonset Moon phase
August 28, 2026 Belfast August 28, 2026: Patchy rain possible Patchy rain possible 55 °F 70 °F 06:23 20:26 20:24 06:48 Full Moon (98 %)
August 29, 2026 Belfast August 29, 2026: Patchy rain possible Patchy rain possible 52 °F 62 °F 06:25 20:23 20:31 08:03 Waning Moon (94 %)
August 30, 2026 Belfast August 30, 2026: Fog Fog 52 °F 65 °F 06:27 20:21 20:38 09:18 Waning Moon (87 %)
August 31, 2026 Belfast August 31, 2026: Patchy rain possible Patchy rain possible 51 °F 64 °F 06:29 20:18 20:46 10:36 Waning Moon (80 %)
September 1, 2026 Belfast September 1, 2026: Patchy rain possible Patchy rain possible 52 °F 65 °F 06:31 20:16 20:57 11:56 Waning Moon (70 %)
September 2, 2026 Belfast September 2, 2026: Light rain shower Light rain shower 54 °F 62 °F 06:33 20:13 21:12 13:21 Last Quarter (60 %)
September 3, 2026 Belfast September 3, 2026: Patchy rain possible Patchy rain possible 53 °F 68 °F 06:34 20:11 21:34 14:47 Last Quarter (50 %)
September 4, 2026 Belfast September 4, 2026: Patchy rain possible Patchy rain possible 52 °F 63 °F 06:36 20:08 22:11 16:10 Last Quarter (39 %)
September 5, 2026 Belfast September 5, 2026: Patchy rain possible Patchy rain possible 51 °F 60 °F 06:38 20:06 23:08 17:20 Waning Crescent (29 %)
September 6, 2026 Belfast September 6, 2026: Patchy rain possible Patchy rain possible 46 °F 61 °F 06:40 20:03 Does not rise today 18:10 Waning Crescent (20 %)
September 7, 2026 Belfast September 7, 2026: Patchy rain possible Patchy rain possible 46 °F 60 °F 06:42 20:01 00:28 18:42 Waning Crescent (12 %)
September 8, 2026 Belfast September 8, 2026: Overcast Overcast 47 °F 56 °F 06:43 19:58 02:03 19:03 Waning Crescent (6 %)
September 9, 2026 Belfast September 9, 2026: Sunny Sunny 46 °F 57 °F 06:45 19:56 03:43 19:17 New Moon (2 %)
September 10, 2026 Belfast September 10, 2026: Sunny Sunny 43 °F 58 °F 06:47 19:53 05:21 19:28 New Moon (0 %)