Weather in Saint Lucia 🇱🇨
Live weather across Saint Lucia — currently 28°C in the capital, Castries, with patchy rain nearby. Browse the 7-day forecast, hourly updates, air quality, and weather for every major city listed below. Compare against other world capitals or see the hottest cities right now.
Detailed forecast shown for the capital city: Castries.
28.3°C
feels like 32.4°C
Patchy rain nearby
Current Weather in Castries, Saint Lucia Updated at 6:00 PM today
| 💧 Humidity: | 77% |
| 🌬️ Wind: | 17.3 kph (101°) |
| 🌡️ Pressure: | 1012.0 mb |
| 👁️ Visibility: | 10.0 km |
| 🌧️ Precipitation: | 0.1 mm |
| ☁️ Cloud Cover: | 98% |
| ☀️ UV Index: | 0.0 |
| 🌅 Sunrise: | 05:52 AM |
| 🌇 Sunset: | 06:12 PM |
7-Day Weather Forecast for Saint Lucia (Capital: Castries)
- Max Temp
- Avg. Temp
- Min Temp
- Avg. Humidity
- Max Wind
- Total Precip
- UV Index
- Sunrise
- Sunset
- Moon Phase
Sat, Sep 05
Patchy rain nearby
31.0°C
28.6°C
26.8°C
76%
21.2 kph
2.8 mm
12.0
05:52 AM
06:12 PM
Waning Crescent
Sun, Sep 06
Patchy rain nearby
30.6°C
28.6°C
27.3°C
77%
25.2 kph
1.0 mm
12.0
05:52 AM
06:12 PM
Waning Crescent
Mon, Sep 07
Patchy rain nearby
30.1°C
28.4°C
27.3°C
76%
29.5 kph
1.3 mm
12.0
05:52 AM
06:11 PM
Waning Crescent
Tue, Sep 08
Patchy rain nearby
29.8°C
28.1°C
26.9°C
74%
29.2 kph
6.3 mm
12.0
05:52 AM
06:10 PM
Waning Crescent
Wed, Sep 09
Patchy rain nearby
29.4°C
28.0°C
27.0°C
77%
32.4 kph
9.7 mm
12.0
05:52 AM
06:09 PM
New Moon
Thu, Sep 10
Patchy rain nearby
29.4°C
28.1°C
27.0°C
78%
31.0 kph
1.6 mm
6.0
05:52 AM
06:09 PM
New Moon
Fri, Sep 11
Patchy rain nearby
28.8°C
27.9°C
27.1°C
76%
31.7 kph
3.1 mm
6.0
05:52 AM
06:08 PM
New Moon
Hourly Weather Forecast for Castries, Saint Lucia Today
Saturday, September 05, 2026
32.0°C
30.0°C
28.0°C
27.0°C
25.0°C
7PM
28.0°
0.0 mm
↑16.0 km/h
8PM
28.0°
0.3 mm
↑17.0 km/h
9PM
28.0°
0.9 mm
↑17.0 km/h
10PM
28.0°
10% Rain
↑18.0 km/h
11PM
28.0°
0.3 mm
↑18.0 km/h
12AM
28.0°
0.0 mm
↑18.0 km/h
1AM
28.0°
0.0 mm
↑18.0 km/h
2AM
27.0°
0.1 mm
↑19.0 km/h
3AM
27.0°
0.0 mm
↑18.0 km/h
4AM
27.0°
0.0 mm
↑19.0 km/h
5AM
27.0°
0.0 mm
↑20.0 km/h
6AM
27.0°
0.0 mm
↑21.0 km/h
7AM
28.0°
0.0 mm
↑22.0 km/h
8AM
29.0°
0.1 mm
↑24.0 km/h
9AM
29.0°
0.0 mm
↑25.0 km/h
10AM
30.0°
0.0 mm
↑25.0 km/h
11AM
30.0°
0.0 mm
↑24.0 km/h
12PM
30.0°
0.0 mm
↑24.0 km/h
1PM
31.0°
0.0 mm
↑23.0 km/h
2PM
30.0°
0.0 mm
↑22.0 km/h
3PM
30.0°
0.0 mm
↑23.0 km/h
4PM
30.0°
0.0 mm
↑24.0 km/h
5PM
29.0°
6% Rain
↑22.0 km/h
6PM
28.0°
0.0 mm
↑20.0 km/h
Air Quality Index (AQI) in Castries, Saint Lucia
US EPA Index
Environmental Protection Agency
123456
UK DEFRA Index
Department for Environment, Food & Rural Affairs
1357910
Weather in All Major Cities in Saint Lucia 🇱🇨
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Weather in Saint Lucia — Frequently Asked Questions
What is the weather in Saint Lucia right now?
In the capital Castries of Saint Lucia, it is currently 28°C with patchy rain nearby. Conditions vary across the country — check individual cities below for local forecasts.
What is the capital of Saint Lucia?
The capital of Saint Lucia is Castries. See live weather and a 7-day forecast for Castries above.
How many cities in Saint Lucia have weather forecasts?
We provide live weather and 7-day forecasts for 15 cities in Saint Lucia. Scroll up to browse the full list.