Thorney Island (West Sussex) weather
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Forecast days
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 12° Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 12° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 15° Celsius;
Partly cloudy changing to clear by nighttime.
Sunrise:
Sunset:
Next low tide: for
West Wittering (Beach)
7 day forecast for Thorney Island
Today (31 August 2025)
| Time |
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|
| Weather symbols |  |
|
 |
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
10%
|
| Temperature |
17°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
15°
|
14°
|
14°
|
14°
|
| Wind direction and speed |
SW
12
|
SW
11
|
SW
11
|
SW
12
|
| Wind gust (mph) |
20
|
20
|
20
|
21
|
| Visibility |
VG
|
VG
|
E
|
E
|
| Humidity |
74%
|
75%
|
75%
|
75%
|
| UV | - | - | - | - |
Monday (1 September 2025)
| 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 |
50%
|
80%
|
70%
|
50%
|
60%
|
80%
|
90%
|
90%
|
≥95%
|
90%
|
80%
|
80%
|
70%
|
70%
|
50%
|
30%
|
30%
|
30%
|
30%
|
20%
|
30%
|
30%
|
50%
|
60%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
19°
|
19°
|
18°
|
18°
|
17°
|
16°
|
16°
|
15°
|
15°
|
| Feels like temperature (°C) |
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
| Wind direction and speed (mph) |
SSW
12
|
SSW
12
|
SSW
13
|
SW
14
|
SSW
15
|
SSW
15
|
SSW
16
|
SSW
16
|
SSW
16
|
SW
16
|
SW
16
|
SW
17
|
SW
17
|
SW
18
|
SW
18
|
WSW
18
|
WSW
18
|
WSW
18
|
WSW
17
|
WSW
15
|
WSW
14
|
WSW
12
|
WSW
11
|
WSW
10
|
| Wind gust (mph) |
22
|
25
|
25
|
25
|
27
|
27
|
28
|
29
|
29
|
31
|
32
|
33
|
34
|
34
|
34
|
34
|
34
|
32
|
30
|
24
|
23
|
22
|
21
|
22
|
| Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
75%
|
77%
|
75%
|
76%
|
77%
|
79%
|
81%
|
81%
|
79%
|
77%
|
74%
|
67%
|
67%
|
68%
|
63%
|
62%
|
64%
|
67%
|
69%
|
74%
|
76%
|
76%
|
78%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 5 | 4 | 6 | 5 | 4 | 3 | 1 | 1 | 1 | - | - | - | - |
Tuesday (2 September 2025)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
 |
|
|
|
|
| Chance of precipitation |
70%
|
90%
|
90%
|
90%
|
90%
|
80%
|
50%
|
30%
|
30%
|
| Temperature (°C) |
15°
|
14°
|
14°
|
14°
|
16°
|
16°
|
18°
|
17°
|
16°
|
| Feels like temperature (°C) |
13°
|
13°
|
13°
|
12°
|
14°
|
13°
|
15°
|
15°
|
15°
|
| Wind direction and speed (mph) |
WSW
8
|
WSW
8
|
SW
7
|
SSW
10
|
S
16
|
S
18
|
SSW
15
|
SW
13
|
SW
11
|
| Wind gust (mph) |
19
|
17
|
20
|
24
|
30
|
28
|
24
|
21
|
23
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
81%
|
86%
|
84%
|
81%
|
86%
|
82%
|
82%
|
86%
|
| UV | - | - | - | 1 | 2 | 2 | 2 | 1 | - |
Wednesday (3 September 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
 |
|
|
|
|
|
| Chance of precipitation |
50%
|
40%
|
70%
|
80%
|
60%
|
40%
|
40%
|
50%
|
| Temperature (°C) |
16°
|
15°
|
15°
|
17°
|
18°
|
18°
|
17°
|
16°
|
| Feels like temperature (°C) |
14°
|
14°
|
13°
|
14°
|
14°
|
15°
|
14°
|
14°
|
| Wind direction and speed (mph) |
SW
12
|
WSW
11
|
SW
14
|
SSW
17
|
SSW
20
|
SW
20
|
SW
18
|
SW
15
|
| Wind gust (mph) |
23
|
21
|
21
|
27
|
32
|
32
|
28
|
25
|
| Visibility (description) |
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
86%
|
88%
|
88%
|
84%
|
84%
|
83%
|
80%
|
83%
|
| UV | - | - | 1 | 2 | 4 | 2 | 1 | - |
Thursday (4 September 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
60%
|
50%
|
50%
|
40%
|
30%
|
30%
|
20%
|
| Temperature (°C) |
16°
|
15°
|
15°
|
17°
|
18°
|
18°
|
17°
|
15°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
14°
|
14°
|
14°
|
14°
|
13°
|
| Wind direction and speed (mph) |
SW
13
|
SW
14
|
WSW
13
|
WSW
16
|
WSW
18
|
WSW
19
|
WSW
16
|
W
12
|
| Wind gust (mph) |
21
|
20
|
26
|
26
|
27
|
26
|
19
|
18
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
82%
|
84%
|
71%
|
64%
|
62%
|
72%
|
77%
|
| UV | - | - | 1 | 3 | 5 | 2 | 1 | - |
Friday (5 September 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
| Temperature (°C) |
14°
|
13°
|
13°
|
17°
|
19°
|
19°
|
17°
|
16°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
15°
|
16°
|
16°
|
15°
|
15°
|
| Wind direction and speed (mph) |
W
10
|
W
9
|
W
8
|
WSW
11
|
WSW
14
|
SW
14
|
WSW
12
|
SW
8
|
| Wind gust (mph) |
14
|
13
|
15
|
22
|
25
|
23
|
16
|
12
|
| Visibility (description) |
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
82%
|
85%
|
88%
|
76%
|
64%
|
68%
|
79%
|
89%
|
| UV | - | - | 1 | 3 | 5 | 2 | 1 | - |
Saturday (6 September 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
20%
|
30%
|
30%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
17°
|
18°
|
18°
|
17°
|
17°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
| Wind direction and speed (mph) |
SW
8
|
SW
9
|
SSW
10
|
SSW
14
|
SSW
17
|
SSW
16
|
SSW
13
|
SSW
11
|
| Wind gust (mph) |
11
|
13
|
21
|
25
|
26
|
23
|
18
|
17
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
G
|
| Humidity |
91%
|
92%
|
92%
|
88%
|
83%
|
78%
|
85%
|
92%
|
| UV | - | - | 1 | 2 | 3 | 2 | 1 | - |
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London & South East England weather forecast
Headline:
Remaining unsettled with further showers on Monday.
This Evening and Tonight:
Showers easing through the evening, allowing clear skies to develop, though some lingering near southern coasts overnight. Winds easing but staying blustery around coastal areas. Minimum temperature 13 °C.
Monday:
More sunshine and showers developing, some being heavy once again. Winds strengthen again through the morning, mostly around the coasts, before dying into the late evening. Temperatures near average. Maximum temperature 21 °C.
Outlook for Tuesday to Thursday:
The unsettled theme continues through the outlook, with further showers and longer spells of rain interspersed with drier periods. Breezy at times.
Updated:
UK long range weather forecast
Nearest forecasts
- Emsworth 2.3 miles
- West Wittering (Beach) 2.7 miles
- South Hayling 3.0 miles
- Hayling Island - West of Eastoke (Beach) 3.0 miles
- Bosham 3.4 miles
- Hayling Island - West Beachlands (Beach) 3.6 miles
- Hayling Island - West Hayling (Beach) 3.9 miles
- East Wittering 3.9 miles
- Havant 4.0 miles
- Bedhampton 4.4 miles
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