Portstewart (County Londonderry) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius;
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius;
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius;
Light showers changing to sunny in the afternoon.
Sunrise:
Sunset:
L UV
L Pollution
No pollen data.
Next high tide: for
Portrush (Beach)
7 day forecast for Portstewart
Today (13 October 2026)
| Time |
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 |
50%
|
60%
|
40%
|
50%
|
90%
|
90%
|
90%
|
≥95%
|
90%
|
70%
|
40%
|
30%
|
30%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature |
13°
|
13°
|
12°
|
12°
|
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
12°
|
11°
|
10°
|
9°
|
9°
|
10°
|
| Feels like temperature (°C) |
10°
|
9°
|
8°
|
9°
|
9°
|
8°
|
8°
|
8°
|
7°
|
8°
|
8°
|
8°
|
8°
|
7°
|
7°
|
6°
|
6°
|
7°
|
| Wind direction and speed |
WSW
19
|
WSW
19
|
WSW
22
|
WSW
22
|
WSW
22
|
WSW
23
|
WSW
26
|
WSW
26
|
WSW
27
|
W
27
|
W
26
|
W
25
|
W
23
|
WSW
19
|
SW
15
|
SSW
13
|
S
14
|
S
15
|
| Wind gust (mph) |
27
|
29
|
29
|
29
|
36
|
39
|
43
|
42
|
41
|
37
|
35
|
31
|
28
|
25
|
21
|
21
|
22
|
24
|
| Visibility |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
85%
|
84%
|
83%
|
81%
|
77%
|
77%
|
77%
|
76%
|
73%
|
71%
|
67%
|
63%
|
64%
|
66%
|
68%
|
71%
|
74%
|
74%
|
| UV | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Wednesday (14 October 2026)
| 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
40%
|
70%
|
80%
|
90%
|
90%
|
≥95%
|
≥95%
|
≥95%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
12°
|
13°
|
14°
|
15°
|
16°
|
16°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
15°
|
15°
|
14°
|
14°
|
| Feels like temperature (°C) |
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
8°
|
9°
|
9°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
11°
|
10°
|
11°
|
| Wind direction and speed (mph) |
S
16
|
S
17
|
S
18
|
S
18
|
S
20
|
SSE
22
|
SSE
22
|
SSE
25
|
SSE
25
|
SSE
25
|
S
26
|
S
27
|
S
29
|
SSW
29
|
SSW
29
|
SSW
29
|
SSW
29
|
SSW
29
|
SSW
28
|
SSW
28
|
SSW
28
|
SSW
25
|
SSW
24
|
SW
20
|
| Wind gust (mph) |
25
|
27
|
29
|
30
|
31
|
33
|
35
|
37
|
39
|
40
|
42
|
44
|
45
|
45
|
45
|
45
|
46
|
44
|
42
|
41
|
40
|
38
|
36
|
32
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
| Humidity |
74%
|
75%
|
76%
|
79%
|
83%
|
84%
|
84%
|
84%
|
84%
|
83%
|
78%
|
76%
|
74%
|
69%
|
67%
|
69%
|
72%
|
74%
|
76%
|
80%
|
83%
|
84%
|
86%
|
87%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Thursday (15 October 2026)
| 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 |
≥95%
|
≥95%
|
≥95%
|
≥95%
|
90%
|
80%
|
80%
|
70%
|
70%
|
50%
|
40%
|
30%
|
20%
|
20%
|
30%
|
30%
|
40%
|
40%
|
60%
|
60%
|
50%
|
60%
|
60%
|
60%
|
| Temperature (°C) |
15°
|
14°
|
14°
|
13°
|
13°
|
12°
|
11°
|
11°
|
10°
|
10°
|
11°
|
11°
|
12°
|
13°
|
13°
|
13°
|
13°
|
12°
|
11°
|
11°
|
10°
|
9°
|
9°
|
9°
|
| Feels like temperature (°C) |
11°
|
12°
|
12°
|
11°
|
10°
|
9°
|
9°
|
9°
|
8°
|
8°
|
9°
|
9°
|
9°
|
10°
|
10°
|
10°
|
10°
|
9°
|
8°
|
8°
|
7°
|
6°
|
6°
|
5°
|
| Wind direction and speed (mph) |
SW
19
|
SW
16
|
SW
14
|
SW
13
|
WSW
13
|
W
11
|
WSW
11
|
WSW
10
|
WSW
11
|
SW
11
|
SW
11
|
WSW
11
|
WSW
13
|
WSW
14
|
WSW
14
|
WSW
14
|
W
15
|
WSW
16
|
WSW
16
|
WSW
14
|
WSW
14
|
SW
13
|
SW
14
|
SW
14
|
| Wind gust (mph) |
29
|
22
|
20
|
19
|
18
|
18
|
17
|
17
|
17
|
17
|
17
|
18
|
19
|
21
|
21
|
22
|
22
|
21
|
21
|
21
|
21
|
22
|
22
|
22
|
| Visibility (description) |
P
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
88%
|
89%
|
90%
|
91%
|
91%
|
90%
|
88%
|
86%
|
86%
|
85%
|
84%
|
81%
|
77%
|
74%
|
72%
|
69%
|
67%
|
67%
|
67%
|
73%
|
75%
|
76%
|
77%
|
78%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Friday (16 October 2026)
| 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 |
60%
|
60%
|
70%
|
70%
|
70%
|
70%
|
80%
|
80%
|
70%
|
70%
|
70%
|
70%
|
60%
|
50%
|
40%
|
40%
|
40%
|
30%
|
30%
|
30%
|
30%
|
30%
|
20%
|
20%
|
| Temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
10°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
10°
|
10°
|
10°
|
9°
|
| Feels like temperature (°C) |
5°
|
5°
|
5°
|
5°
|
4°
|
5°
|
4°
|
4°
|
4°
|
5°
|
6°
|
7°
|
8°
|
8°
|
8°
|
9°
|
9°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
6°
|
| Wind direction and speed (mph) |
SW
14
|
SW
15
|
WSW
16
|
WSW
16
|
WSW
16
|
WSW
16
|
WSW
18
|
WSW
17
|
W
17
|
W
17
|
W
17
|
W
18
|
WNW
18
|
NW
19
|
NW
20
|
NW
20
|
NW
19
|
NW
19
|
NW
19
|
NW
19
|
NW
18
|
NW
17
|
NW
16
|
NW
15
|
| Wind gust (mph) |
23
|
23
|
22
|
24
|
23
|
23
|
24
|
24
|
25
|
25
|
25
|
25
|
27
|
28
|
28
|
27
|
26
|
23
|
22
|
21
|
21
|
19
|
18
|
16
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
79%
|
80%
|
79%
|
79%
|
79%
|
80%
|
79%
|
78%
|
77%
|
75%
|
74%
|
74%
|
69%
|
66%
|
66%
|
65%
|
63%
|
66%
|
64%
|
63%
|
63%
|
64%
|
62%
|
63%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Saturday (17 October 2026)
| 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 |
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
8°
|
9°
|
10°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
9°
|
7°
|
7°
|
6°
|
6°
|
6°
|
| Feels like temperature (°C) |
6°
|
6°
|
6°
|
5°
|
5°
|
4°
|
4°
|
4°
|
4°
|
5°
|
7°
|
9°
|
10°
|
10°
|
11°
|
11°
|
11°
|
10°
|
7°
|
5°
|
5°
|
3°
|
3°
|
3°
|
| Wind direction and speed (mph) |
NW
15
|
WNW
14
|
WNW
13
|
WNW
13
|
W
13
|
W
13
|
W
11
|
WSW
11
|
SW
10
|
SW
9
|
SSW
9
|
SW
9
|
WSW
8
|
WNW
8
|
NNW
7
|
NNW
7
|
NNW
7
|
N
7
|
ENE
7
|
ESE
7
|
SSE
7
|
SSE
8
|
S
8
|
S
8
|
| Wind gust (mph) |
16
|
15
|
15
|
15
|
15
|
14
|
14
|
13
|
13
|
13
|
12
|
13
|
12
|
11
|
11
|
11
|
10
|
9
|
10
|
10
|
9
|
10
|
10
|
10
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
64%
|
65%
|
66%
|
66%
|
68%
|
71%
|
70%
|
71%
|
72%
|
73%
|
72%
|
72%
|
70%
|
68%
|
65%
|
64%
|
63%
|
63%
|
63%
|
65%
|
67%
|
70%
|
72%
|
74%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Sunday (18 October 2026)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
6°
|
6°
|
6°
|
6°
|
8°
|
12°
|
12°
|
9°
|
9°
|
| Feels like temperature (°C) |
3°
|
3°
|
4°
|
4°
|
6°
|
10°
|
11°
|
7°
|
6°
|
| Wind direction and speed (mph) |
S
8
|
S
8
|
S
7
|
S
8
|
S
9
|
S
9
|
S
9
|
S
9
|
SSW
9
|
| Wind gust (mph) |
10
|
11
|
11
|
11
|
13
|
15
|
13
|
11
|
12
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
75%
|
76%
|
79%
|
81%
|
81%
|
72%
|
70%
|
73%
|
76%
|
| UV | - | - | - | - | 1 | 2 | 1 | - | - |
Monday (19 October 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
8°
|
8°
|
8°
|
10°
|
13°
|
14°
|
11°
|
9°
|
| Feels like temperature (°C) |
6°
|
5°
|
5°
|
8°
|
11°
|
12°
|
8°
|
6°
|
| Wind direction and speed (mph) |
SSW
9
|
SSW
9
|
SW
9
|
SSW
9
|
SSW
10
|
SW
10
|
SSW
10
|
SSW
10
|
| Wind gust (mph) |
12
|
12
|
14
|
15
|
17
|
15
|
13
|
14
|
| Visibility (description) |
G
|
G
|
M
|
M
|
G
|
G
|
G
|
M
|
| Humidity |
78%
|
82%
|
84%
|
86%
|
83%
|
82%
|
84%
|
85%
|
| UV | - | - | - | 1 | 2 | 1 | - | - |
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Northern Ireland weather forecast
Headline:
Showers today, dwindling during the afternoon. Brisk winds.
Today:
Showers and brighter spells. Showers focused in the west, occasionally turning heavy during the morning and early afternoon, bringing a risk of thunderstorms. Showers easing from the southeast for the late afternoon. Brisk winds. Maximum temperature 14 °C.
Tonight:
Showers dying away from the east during the evening to leave a largely dry night with clear spells appearing most readily in the east. Minimum temperature 9 °C.
Wednesday:
Windy. Most staying dry through to mid-afternoon with some limited early brightness. Patchy rain feeding from the west late afternoon to early evening. Maximum temperature 17 °C.
Outlook for Thursday to Saturday:
Early rain Thursday across the east, clearing erratically as brighter spells and showers feed from west. Scattered showers for Friday, focused in west. Saturday mainly dry, occasionally bright.
Updated:
UK long range weather forecast
Nearest forecasts
- Portrush (Beach) 2.6 miles
- Portrush - Mill (West) Strand (Beach) 2.8 miles
- Portrush 2.9 miles
- Portrush (Coleraine) 2.9 miles
- Portstewart (The Strand)(Beach) 3.0 miles
- Guy L. Wilson Daffodil Garden 3.3 miles
- Hezlett House (NT) 3.4 miles
- Coleraine 3.6 miles
- Royal Portrush Golf Club 3.8 miles
- Magilligan Strand, Benone (Beach) 4.1 miles