Sydenham (County Antrim) weather
Find a forecast
Forecast days
-
18° Maximum daytime temperature: 18° Celsius; 12° Minimum nighttime temperature: 12° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to light showers in the afternoon.18° Maximum daytime temperature: 18° Celsius; 12° Minimum nighttime temperature: 12° Celsius; -
18° Maximum daytime temperature: 18° Celsius; 11° Minimum nighttime temperature: 11° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to light showers by late morning.18° Maximum daytime temperature: 18° Celsius; 11° Minimum nighttime temperature: 11° Celsius; -
18° Maximum daytime temperature: 18° Celsius; 11° Minimum nighttime temperature: 11° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to light showers by late morning.18° Maximum daytime temperature: 18° Celsius; 11° Minimum nighttime temperature: 11° Celsius; -
19° Maximum daytime temperature: 19° Celsius; 11° Minimum nighttime temperature: 11° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to light showers by lunchtime.19° Maximum daytime temperature: 19° Celsius; 11° Minimum nighttime temperature: 11° Celsius; -
18° Maximum daytime temperature: 18° Celsius; 11° Minimum nighttime temperature: 11° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to light showers by lunchtime.M UVNo pollution data.No pollen data.18° Maximum daytime temperature: 18° Celsius; 11° Minimum nighttime temperature: 11° Celsius; -
17° Maximum daytime temperature: 17° Celsius; 12° Minimum nighttime temperature: 12° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to cloudy by late morning.M UVNo pollution data.No pollen data.17° Maximum daytime temperature: 17° Celsius; 12° Minimum nighttime temperature: 12° Celsius; -
18° Maximum daytime temperature: 18° Celsius; 11° Minimum nighttime temperature: 11° Celsius;
Sunrise:
Sunset:
Overcast changing to light showers by lunchtime.M UVNo pollution data.No pollen data.18° Maximum daytime temperature: 18° Celsius; 11° Minimum nighttime temperature: 11° Celsius;
7 day forecast for Sydenham
Time |
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Weather symbols | |||||||||||||||||||
Chance of precipitation |
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
20%
|
40%
|
40%
|
50%
|
70%
|
70%
|
60%
|
60%
|
60%
|
70%
|
70%
|
60%
|
Temperature (°C) |
12°
|
12°
|
12°
|
13°
|
14°
|
15°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
15°
|
15°
|
15°
|
14°
|
14°
|
Feels like temperature (°C) |
9°
|
9°
|
9°
|
10°
|
11°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
Wind direction and speed (mph) |
S
15
|
S
16
|
S
16
|
S
17
|
S
18
|
S
19
|
S
20
|
S
20
|
S
21
|
S
21
|
S
22
|
S
21
|
S
20
|
S
19
|
S
18
|
S
16
|
S
15
|
S
13
|
S
12
|
Wind gust (mph) |
35
|
36
|
38
|
39
|
41
|
43
|
44
|
46
|
47
|
48
|
47
|
46
|
44
|
41
|
38
|
36
|
34
|
32
|
31
|
Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
Humidity |
80%
|
78%
|
77%
|
75%
|
71%
|
65%
|
62%
|
61%
|
62%
|
62%
|
64%
|
65%
|
72%
|
74%
|
79%
|
82%
|
84%
|
85%
|
86%
|
UV | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 4 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Weather symbols | ||||||||||||||||||||||||
Chance of precipitation |
40%
|
30%
|
20%
|
20%
|
30%
|
30%
|
30%
|
30%
|
30%
|
40%
|
50%
|
50%
|
80%
|
90%
|
90%
|
80%
|
70%
|
60%
|
60%
|
50%
|
40%
|
30%
|
20%
|
10%
|
Temperature (°C) |
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
15°
|
15°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
14°
|
14°
|
13°
|
13°
|
Feels like temperature (°C) |
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
12°
|
12°
|
11°
|
Wind direction and speed (mph) |
S
11
|
S
10
|
S
10
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
11
|
SW
12
|
SW
13
|
SW
13
|
SW
13
|
SW
13
|
SW
13
|
SW
13
|
WSW
13
|
WSW
13
|
WSW
13
|
WSW
12
|
SW
11
|
SW
10
|
SW
9
|
SW
9
|
Wind gust (mph) |
28
|
26
|
24
|
23
|
23
|
24
|
25
|
26
|
28
|
28
|
29
|
30
|
31
|
31
|
31
|
31
|
30
|
29
|
27
|
24
|
22
|
22
|
22
|
22
|
Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
86%
|
86%
|
86%
|
87%
|
87%
|
87%
|
87%
|
87%
|
86%
|
85%
|
80%
|
79%
|
76%
|
77%
|
83%
|
82%
|
78%
|
76%
|
73%
|
74%
|
76%
|
79%
|
82%
|
82%
|
UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 3 | 4 | 5 | 4 | 3 | 3 | 1 | 1 | 1 | 1 | - | - | - |
Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
---|---|---|---|---|---|---|---|---|---|
Weather symbols | |||||||||
Chance of precipitation |
10%
|
<5%
|
20%
|
40%
|
60%
|
70%
|
50%
|
40%
|
40%
|
Temperature (°C) |
13°
|
12°
|
12°
|
11°
|
14°
|
15°
|
16°
|
16°
|
14°
|
Feels like temperature (°C) |
11°
|
11°
|
10°
|
10°
|
13°
|
14°
|
15°
|
15°
|
14°
|
Wind direction and speed (mph) |
SW
9
|
SW
9
|
SSW
7
|
S
5
|
S
7
|
S
7
|
SSW
7
|
SW
6
|
SW
5
|
Wind gust (mph) |
21
|
20
|
17
|
14
|
15
|
16
|
15
|
12
|
10
|
Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
83%
|
85%
|
86%
|
88%
|
83%
|
77%
|
69%
|
74%
|
83%
|
UV | - | - | - | 1 | 2 | 5 | 2 | 1 | - |
Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
---|---|---|---|---|---|---|---|---|
Weather symbols | ||||||||
Chance of precipitation |
30%
|
20%
|
20%
|
40%
|
60%
|
60%
|
30%
|
10%
|
Temperature (°C) |
13°
|
12°
|
12°
|
14°
|
17°
|
17°
|
16°
|
14°
|
Feels like temperature (°C) |
13°
|
11°
|
11°
|
13°
|
15°
|
15°
|
15°
|
13°
|
Wind direction and speed (mph) |
SW
5
|
SW
5
|
SSW
6
|
SW
9
|
SW
10
|
SSW
10
|
SW
9
|
SSW
7
|
Wind gust (mph) |
11
|
12
|
16
|
21
|
22
|
22
|
16
|
13
|
Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
87%
|
87%
|
89%
|
77%
|
64%
|
62%
|
72%
|
79%
|
UV | - | - | 1 | 3 | 4 | 2 | 1 | - |
Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
---|---|---|---|---|---|---|---|---|
Weather symbols | ||||||||
Chance of precipitation |
10%
|
20%
|
30%
|
50%
|
70%
|
40%
|
20%
|
20%
|
Temperature (°C) |
13°
|
12°
|
12°
|
14°
|
16°
|
17°
|
15°
|
13°
|
Feels like temperature (°C) |
12°
|
11°
|
11°
|
12°
|
14°
|
14°
|
13°
|
11°
|
Wind direction and speed (mph) |
SSW
6
|
SSW
7
|
SW
7
|
SW
10
|
WSW
12
|
WSW
13
|
WSW
12
|
SW
11
|
Wind gust (mph) |
12
|
12
|
15
|
20
|
21
|
20
|
18
|
19
|
Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
83%
|
86%
|
88%
|
79%
|
69%
|
65%
|
70%
|
82%
|
UV | - | - | 1 | 2 | 5 | 2 | 1 | - |
Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
---|---|---|---|---|---|---|---|---|
Weather symbols | ||||||||
Chance of precipitation |
20%
|
10%
|
20%
|
30%
|
40%
|
30%
|
30%
|
30%
|
Temperature (°C) |
12°
|
12°
|
11°
|
14°
|
16°
|
16°
|
15°
|
14°
|
Feels like temperature (°C) |
10°
|
9°
|
9°
|
11°
|
13°
|
13°
|
13°
|
12°
|
Wind direction and speed (mph) |
SW
11
|
SW
11
|
SW
11
|
SW
15
|
SW
17
|
SW
16
|
SW
13
|
SW
11
|
Wind gust (mph) |
20
|
21
|
26
|
29
|
28
|
25
|
21
|
17
|
Visibility (description) |
VG
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
Humidity |
86%
|
88%
|
89%
|
80%
|
69%
|
71%
|
76%
|
86%
|
UV | - | - | 1 | 3 | 4 | 2 | 1 | - |
Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
---|---|---|---|---|---|---|---|---|
Weather symbols | ||||||||
Chance of precipitation |
30%
|
30%
|
30%
|
50%
|
50%
|
40%
|
50%
|
40%
|
Temperature (°C) |
13°
|
13°
|
12°
|
15°
|
17°
|
17°
|
16°
|
14°
|
Feels like temperature (°C) |
11°
|
10°
|
10°
|
13°
|
14°
|
14°
|
14°
|
13°
|
Wind direction and speed (mph) |
SSW
11
|
SSW
12
|
SSW
13
|
SSW
15
|
SSW
16
|
SSW
16
|
SSW
13
|
SSW
11
|
Wind gust (mph) |
17
|
15
|
18
|
23
|
24
|
22
|
16
|
14
|
Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
G
|
Humidity |
90%
|
92%
|
92%
|
88%
|
83%
|
80%
|
85%
|
91%
|
UV | - | - | 1 | 2 | 3 | 2 | 1 | - |
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UK video forecast
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Northern Ireland weather forecast
Headline:
Showers this morning, turning heavier and quite frequent for afternoon.
Today:
A day of showers, these isolated and light for the morning, then turning heavier and quite frequent through the afternoon, bringing the risk of thunderstorms, particularly to the west of Lough Neagh. Southerly winds strong. Maximum temperature 18 °C.
Tonight:
Showers or longer periods of rain, turning heavy at times with the risk of thunderstorms. Winds southerly, strongest at first. Minimum temperature 12 °C.
Monday:
Showery with risk thunderstorms. Outbreaks most frequent across northern districts. Fresh to strong winds veering west to southwest. Maximum temperature 18 °C.
Outlook for Tuesday to Thursday:
Showers and brighter spells through the outlook period, with north and west wettest. Winds variable in direction and relatively light.
Updated:
UK long range weather forecast
Changeable and unsettled weather conditions are expected across the UK during this period with low pressure systems tending to dominate the overall pattern. This will mean showers or longer spells of rain will affect the much of the UK at times. Some heavy rain or showers are expected in places, most often in the west. Thunderstorms and hail are also possible, as are some spells of strong winds if any deep areas of low pressure form in the vicinity of the UK. Some short-lived spells of drier and more settled weather are also possible at times, especially later in the period when they may last a little longer. Temperatures will likely be close to average or slightly below overall, but may rise above at times in any drier, sunnier spells.
Updated:
Low pressure is likely to dominate much of this period, bringing changeable weather conditions with showers or some longer spells of rain at times. There will likely be some drier, more settled interludes, particularly at the start of the period. Temperatures are likely to be close to average, perhaps turning warmer than average later in the period.
Updated: