New
Castries (St Lucia) weather
Find a forecast
Nearest forecast to your detected location
Forecast days
-
27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius;
Sunrise:
Sunset:
Sunny.VH UVNo pollution data.No pollen data.27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius; -
27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius;
Sunrise:
Sunset:
Sunny.VH UVNo pollution data.No pollen data.27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius; -
27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius;
Sunrise:
Sunset:
Sunny.VH UVNo pollution data.No pollen data.27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius; -
27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius;
Sunrise:
Sunset:
Sunny.VH UVNo pollution data.No pollen data.27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius; -
27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius;
Sunrise:
Sunset:
Sunny.VH UVNo pollution data.No pollen data.27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius; -
27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius;
Sunrise:
Sunset:
Sunny.VH UVNo pollution data.No pollen data.27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius; -
27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius;
Sunrise:
Sunset:
Sunny.VH UVNo pollution data.No pollen data.27° Maximum daytime temperature: 27° Celsius; 26° Minimum nighttime temperature: 26° Celsius;
Sunny.
VH UV
No pollution data.
No pollen data.
Sunny.
VH UV
No pollution data.
No pollen data.
Sunny.
VH UV
No pollution data.
No pollen data.
Sunny.
VH UV
No pollution data.
No pollen data.
Sunny.
VH UV
No pollution data.
No pollen data.
Sunny.
VH UV
No pollution data.
No pollen data.
Sunny.
VH UV
No pollution data.
No pollen data.
7 day forecast for Castries
Today (19 December 2025)
| Time |
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%
|
| Temperature (°C) |
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
| Feels like temperature (°C) |
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
| Wind direction and speed (mph) |
E
15
|
ENE
15
|
ENE
15
|
ENE
15
|
ENE
15
|
ENE
16
|
ENE
15
|
ENE
15
|
| Wind gust (mph) |
25
|
24
|
24
|
24
|
24
|
24
|
24
|
24
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
71%
|
73%
|
74%
|
75%
|
75%
|
75%
|
75%
|
75%
|
| UV | 1 | 1 | - | - | - | - | - | - |
Saturday (20 December 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
40%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
60%
|
30%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
| Feels like temperature (°C) |
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
| Wind direction and speed (mph) |
ENE
15
|
E
15
|
E
14
|
E
14
|
E
13
|
E
13
|
E
13
|
E
13
|
ENE
14
|
ENE
14
|
ENE
14
|
ENE
14
|
ENE
14
|
ENE
14
|
ENE
14
|
ENE
14
|
ENE
14
|
ENE
14
|
ENE
15
|
ENE
15
|
ENE
15
|
ENE
15
|
ENE
15
|
ENE
16
|
| Wind gust (mph) |
23
|
22
|
22
|
22
|
21
|
20
|
21
|
23
|
24
|
24
|
25
|
25
|
25
|
25
|
24
|
24
|
24
|
23
|
23
|
24
|
25
|
25
|
25
|
25
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
75%
|
76%
|
76%
|
76%
|
76%
|
77%
|
77%
|
76%
|
76%
|
75%
|
75%
|
75%
|
74%
|
75%
|
75%
|
76%
|
77%
|
79%
|
79%
|
80%
|
81%
|
82%
|
82%
|
| UV | - | - | - | - | - | - | 1 | 1 | 3 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 1 | 1 | - | - | - | - | - | - |
Sunday (21 December 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 |
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
50%
|
50%
|
40%
|
40%
|
30%
|
30%
|
40%
|
40%
|
20%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
| Feels like temperature (°C) |
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
| Wind direction and speed (mph) |
ENE
16
|
ENE
16
|
ENE
16
|
ENE
16
|
E
16
|
E
15
|
E
15
|
E
15
|
E
16
|
E
16
|
E
15
|
E
15
|
E
15
|
E
14
|
E
15
|
E
15
|
E
15
|
E
15
|
ENE
15
|
ENE
15
|
ENE
15
|
E
16
|
E
16
|
E
16
|
| Wind gust (mph) |
25
|
25
|
25
|
25
|
25
|
24
|
24
|
25
|
26
|
26
|
26
|
26
|
26
|
25
|
25
|
25
|
25
|
24
|
24
|
24
|
24
|
24
|
25
|
25
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
83%
|
83%
|
83%
|
83%
|
83%
|
83%
|
84%
|
83%
|
77%
|
76%
|
75%
|
75%
|
75%
|
75%
|
74%
|
75%
|
75%
|
77%
|
77%
|
78%
|
78%
|
77%
|
77%
|
77%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 5 | 7 | 8 | 8 | 5 | 5 | 3 | 1 | 1 | - | - | - | - | - | - |
Monday (22 December 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
20%
|
40%
|
30%
|
20%
|
20%
|
20%
|
30%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
27°
|
27°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
26°
|
26°
|
26°
|
26°
|
| Feels like temperature (°C) |
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
26°
|
26°
|
26°
|
26°
|
26°
|
| Wind direction and speed (mph) |
ENE
16
|
ENE
16
|
ENE
15
|
ENE
15
|
ENE
15
|
E
15
|
E
15
|
E
15
|
E
15
|
E
15
|
E
14
|
E
14
|
E
13
|
E
13
|
ENE
13
|
ENE
13
|
ENE
13
|
ENE
12
|
ENE
12
|
ENE
13
|
ENE
13
|
ENE
13
|
ENE
13
|
ENE
13
|
| Wind gust (mph) |
25
|
24
|
24
|
24
|
24
|
24
|
23
|
24
|
24
|
25
|
25
|
24
|
24
|
23
|
23
|
22
|
21
|
21
|
20
|
20
|
21
|
21
|
21
|
21
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
77%
|
79%
|
79%
|
79%
|
81%
|
79%
|
79%
|
79%
|
77%
|
76%
|
74%
|
72%
|
71%
|
71%
|
71%
|
72%
|
73%
|
75%
|
75%
|
75%
|
77%
|
78%
|
78%
|
79%
|
| UV | - | - | - | - | - | - | 1 | 1 | 3 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 1 | 1 | - | - | - | - | - | - |
Tuesday (23 December 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
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | ||||||||||||||||||||||
| Chance of precipitation |
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
30%
|
40%
|
50%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
30%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
26°
|
26°
|
26°
|
26°
|
| Feels like temperature (°C) |
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
27°
|
27°
|
27°
|
27°
|
27°
|
26°
|
26°
|
26°
|
26°
|
| Wind direction and speed (mph) |
ENE
13
|
ENE
13
|
ENE
13
|
ENE
13
|
ENE
13
|
ENE
13
|
ENE
13
|
ENE
13
|
ENE
13
|
ENE
13
|
ENE
14
|
ENE
13
|
ENE
13
|
ENE
13
|
ENE
12
|
ENE
12
|
ENE
12
|
ENE
13
|
ENE
13
|
ENE
14
|
ENE
14
|
ENE
14
|
| Wind gust (mph) |
21
|
21
|
20
|
20
|
20
|
20
|
20
|
22
|
23
|
23
|
24
|
24
|
23
|
23
|
23
|
22
|
21
|
21
|
22
|
22
|
23
|
23
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
81%
|
81%
|
80%
|
81%
|
81%
|
80%
|
80%
|
78%
|
77%
|
76%
|
75%
|
74%
|
73%
|
73%
|
73%
|
75%
|
76%
|
77%
|
77%
|
78%
|
78%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 1 | 1 | - | - | - | - |
Wednesday (24 December 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | ||||||||
| Chance of precipitation |
10%
|
10%
|
30%
|
40%
|
20%
|
<5%
|
10%
|
20%
|
| Temperature (°C) |
26°
|
26°
|
26°
|
27°
|
27°
|
27°
|
27°
|
26°
|
| Feels like temperature (°C) |
26°
|
26°
|
26°
|
27°
|
27°
|
28°
|
27°
|
27°
|
| Wind direction and speed (mph) |
ENE
14
|
E
14
|
E
13
|
E
12
|
E
11
|
ENE
10
|
ENE
12
|
ENE
12
|
| Wind gust (mph) |
22
|
22
|
22
|
22
|
20
|
18
|
18
|
17
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
79%
|
76%
|
71%
|
69%
|
74%
|
75%
|
78%
|
| UV | - | - | 2 | 8 | 5 | 1 | - | - |
Thursday (25 December 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | ||||||||
| Chance of precipitation |
10%
|
10%
|
40%
|
40%
|
30%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
26°
|
26°
|
26°
|
27°
|
27°
|
27°
|
26°
|
26°
|
| Feels like temperature (°C) |
27°
|
27°
|
27°
|
27°
|
28°
|
28°
|
27°
|
27°
|
| Wind direction and speed (mph) |
ENE
11
|
ENE
10
|
E
10
|
ENE
10
|
ENE
9
|
ENE
9
|
ENE
10
|
ENE
10
|
| Wind gust (mph) |
17
|
18
|
19
|
19
|
18
|
16
|
16
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
78%
|
79%
|
75%
|
72%
|
69%
|
74%
|
77%
|
78%
|
| UV | - | - | 2 | 9 | 5 | 1 | - | - |
Tooltip header
UK video forecast
Monthly averages
Daily max temperature measured in (°C)
Daily max temperature measured in (°C)
Rainfall measured in (mm)
Rainfall measured in (mm)
Daily sunshine measured in (hrs)
Daily sunshine measured in (hrs)
Relative humidity (%)
Relative humidity (%)
Wind speed measured in (mph)
Wind speed measured in (mph)
weather map
Forecast
Forecast for 4pm (UTC-4) Friday
Updated 18:23 (UTC) on Fri 19 Dec 2025
Loading map...
More from the Met Office
-
CAUSES OF CLIMATE CHANGE
Causes of climate change
Read -
WEATHER
What is the difference between mist, fog and haze?
Read -
SEASONAL ADVICE
When is hay fever season in the UK?
Read -
WEATHER
8 interesting facts about autumn
Read -
WEATHER
Lenticular clouds
Read -
SEASONAL ADVICE
3 tips for staying safe in fog
Read