Weather Forecast for Castries
Castries, Saint Lucia
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Current Weather - Castries: 28°C
Current Weather - Castries: 28°C
Castries, Saint Lucia
Light rain shower
Feels like 31°C
Wind
38 km/h ESE
Humidity
79%
Pressure
1013 mb
UV Index
6
Visibility
10 km
Light rain shower
Saturday, August 15, 2026
High
28°C
Low
26°C
Rain Chance
87%
Hourly Forecast
26°C
26°C
26°C
Day Statistics
Maximum Wind
42 km/h
Humidity
83%
Precipitation
13 mm
UV Index
12
Visibility
10 km
Rain Chance
87%
Snow Chance
0%
Sun & Moon
Sunrise
05:50 AM
Sunset
06:26 PM
Moonrise
08:19 AM
Moonset
08:35 PM
Moon Phase
Waxing Crescent
Moon Illumination
11%
Air Quality
PM2.5
5.6
μg/m³
PM10
9.8
μg/m³
NO₂
0.3
μg/m³
O₃
47.8
μg/m³
SO₂
0.2
μg/m³
CO
100.8
μg/m³
Patchy rain nearby
Sunday, August 16, 2026
High
29°C
Low
26°C
Rain Chance
53%
Hourly Forecast
26°C
26°C
26°C
26°C
26°C
26°C
26°C
27°C
27°C
28°C
28°C
28°C
29°C
29°C
29°C
29°C
28°C
28°C
28°C
27°C
27°C
27°C
27°C
27°C
Day Statistics
Maximum Wind
34 km/h
Humidity
76%
Precipitation
1 mm
UV Index
3
Visibility
10 km
Rain Chance
53%
Snow Chance
0%
Sun & Moon
Sunrise
05:50 AM
Sunset
06:25 PM
Moonrise
09:15 AM
Moonset
09:17 PM
Moon Phase
Waxing Crescent
Moon Illumination
18%
Air Quality
PM2.5
11.1
μg/m³
PM10
23.3
μg/m³
NO₂
0.1
μg/m³
O₃
38.8
μg/m³
SO₂
0.2
μg/m³
CO
93.8
μg/m³
Patchy rain nearby
Monday, August 17, 2026
High
29°C
Low
27°C
Rain Chance
36%
Hourly Forecast
27°C
27°C
27°C
27°C
27°C
27°C
27°C
27°C
28°C
28°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
28°C
28°C
27°C
27°C
27°C
27°C
27°C
Day Statistics
Maximum Wind
29 km/h
Humidity
75%
Precipitation
0 mm
UV Index
12
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
05:50 AM
Sunset
06:25 PM
Moonrise
10:10 AM
Moonset
09:59 PM
Moon Phase
Waxing Crescent
Moon Illumination
27%
Air Quality
PM2.5
8.3
μg/m³
PM10
19.7
μg/m³
NO₂
0.1
μg/m³
O₃
36.2
μg/m³
SO₂
0.3
μg/m³
CO
95.3
μg/m³
Partly Cloudy
Tuesday, August 18, 2026
High
29°C
Low
27°C
Rain Chance
39%
Hourly Forecast
27°C
27°C
27°C
27°C
27°C
27°C
27°C
27°C
28°C
28°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
28°C
28°C
27°C
27°C
27°C
27°C
27°C
Day Statistics
Maximum Wind
22 km/h
Humidity
75%
Precipitation
1 mm
UV Index
7
Visibility
10 km
Rain Chance
39%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
06:24 PM
Moonrise
11:05 AM
Moonset
10:44 PM
Moon Phase
First Quarter
Moon Illumination
37%
Air Quality
PM2.5
3.1
μg/m³
PM10
5.4
μg/m³
NO₂
0.3
μg/m³
O₃
42.5
μg/m³
SO₂
0.4
μg/m³
CO
106.1
μg/m³
Sunny
Wednesday, August 19, 2026
High
30°C
Low
26°C
Rain Chance
46%
Hourly Forecast
26°C
26°C
27°C
26°C
26°C
26°C
26°C
27°C
28°C
29°C
29°C
30°C
30°C
30°C
30°C
29°C
29°C
29°C
28°C
28°C
27°C
27°C
27°C
27°C
Day Statistics
Maximum Wind
19 km/h
Humidity
77%
Precipitation
1 mm
UV Index
7
Visibility
10 km
Rain Chance
46%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
06:23 PM
Moonrise
12:01 PM
Moonset
11:31 PM
Moon Phase
First Quarter
Moon Illumination
48%
Air Quality
PM2.5
4.6
μg/m³
PM10
7.6
μg/m³
NO₂
0.3
μg/m³
O₃
42.3
μg/m³
SO₂
0.5
μg/m³
CO
119
μg/m³
Patchy rain nearby
Thursday, August 20, 2026
High
30°C
Low
26°C
Rain Chance
20%
Hourly Forecast
27°C
27°C
27°C
26°C
26°C
26°C
27°C
27°C
28°C
28°C
29°C
30°C
30°C
30°C
30°C
30°C
29°C
29°C
28°C
28°C
27°C
27°C
27°C
27°C
Day Statistics
Maximum Wind
19 km/h
Humidity
76%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
20%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
06:23 PM
Moonrise
12:57 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
58%
Patchy rain nearby
Friday, August 21, 2026
High
30°C
Low
27°C
Rain Chance
37%
Hourly Forecast
27°C
27°C
27°C
27°C
27°C
27°C
27°C
28°C
28°C
28°C
29°C
29°C
29°C
29°C
30°C
29°C
29°C
28°C
28°C
28°C
27°C
27°C
27°C
27°C
Day Statistics
Maximum Wind
26 km/h
Humidity
76%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
37%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
06:22 PM
Moonrise
01:52 PM
Moonset
12:21 AM
Moon Phase
First Quarter
Moon Illumination
69%
Solar Radiation Data
Shortwave Radiation
778.48
Diffuse Radiation
141.95
DNI
0
GTI
0
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