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WorldSaint Lucia → Castries

Weather in Castries — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive
Now in Castries
🌤️
+29°
Mostly clear
Feels like +30° · humidity 62%
Today 14.8: +31° / +25°
🕐 16:25
Wind
27 km/h
UV index
4
Air (AQI)
45 · Moderate
Precipitation
88%
Humidity
62%
Pressure
1013 hPa
Sunrise / sunset
05:50 / 18:26
Sea temperature
🌊 +29°

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.
☂️ Take an umbrella💨 Windy
Weather for an activity:

Detailed weather information for Castries

Today, 14 August, Friday, in Castries (Saint Lucia): cloudy, light rain in places, hot. During the day the air will warm up to +31°, at night around +25°. Wind up to 29 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +29° — great for swimming. The sun will rise at 05:50 and set at 18:26 — daylight lasts 13 hours.

Hourly weather in Castries

🌅 sunrise 05:50 🌇 sunset 18:26🌤️🌦️🌦️🌦️🌦️🌦️🌦️🌦️+29°+27°+26°+25°+24°+24°+25°+25°26%34%74%98%99%99%99%99%16:0019:0022:0001:0004:0007:0010:0013:00
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Castries for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
Today 14.8
🌦️
💧 88%
+25° +31°
Morning
🌦️
+27°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+25°
Drizzle · precipitation 88% · wind up to 29 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tomorrow 15.8
⛈️
💧 100%
+23° +27°
Morning
🌦️
+24°
Day
⛈️
+27°
Evening
🌇
+26°
Night
🌙
+23°
Thunderstorm · precipitation 100% · wind up to 20 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sun 16.8
🌦️
💧 84%
+24° +29°
Morning
🌦️
+26°
Day
🌦️
+29°
Evening
🌇
+28°
Night
🌙
+24°
Rain showers · precipitation 84% · wind up to 21 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Mon 17.8
🌦️
💧 90%
+24° +30°
Morning
🌦️
+26°
Day
🌦️
+30°
Evening
🌇
+29°
Night
🌙
+24°
Drizzle · precipitation 90% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tue 18.8
🌦️
💧 75%
+23° +31°
Morning
🌦️
+26°
Day
🌦️
+31°
Evening
🌇
+29°
Night
🌙
+23°
Drizzle · precipitation 75% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Wed 19.8
🌦️
💧 69%
+24° +31°
Morning
🌦️
+27°
Day
🌦️
+31°
Evening
🌇
+29°
Night
🌙
+24°
Drizzle · precipitation 69% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Thu 20.8
🌦️
💧 78%
+25° +30°
Morning
🌦️
+27°
Day
🌦️
+30°
Evening
🌇
+29°
Night
🌙
+25°
Drizzle · precipitation 78% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Fri 21.8
🌦️
💧 71%
+24° +28°
Morning
🌦️
+25°
Day
🌦️
+28°
Evening
🌇
+27°
Night
🌙
+24°
Drizzle · precipitation 71% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sat 22.8
🌦️
💧 94%
+23° +30°
Morning
🌦️
+26°
Day
🌦️
+30°
Evening
🌇
+28°
Night
🌙
+23°
Drizzle · precipitation 94% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sun 23.8
🌦️
💧 88%
+24° +30°
Morning
🌦️
+26°
Day
🌦️
+30°
Evening
🌇
+29°
Night
🌙
+24°
Drizzle · precipitation 88% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Mon 24.8
🌦️
💧 88%
+24° +31°
Morning
🌦️
+27°
Day
🌦️
+31°
Evening
🌇
+29°
Night
🌙
+24°
Drizzle · precipitation 88% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tue 25.8
🌦️
💧 73%
+24° +31°
Morning
🌦️
+27°
Day
🌦️
+31°
Evening
🌇
+29°
Night
🌙
+24°
Drizzle · precipitation 73% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Wed 26.8
🌦️
💧 63%
+25° +31°
Morning
🌦️
+27°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+25°
Drizzle · precipitation 63% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Thu 27.8
🌦️
💧 76%
+25° +31°
Morning
🌦️
+27°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+25°
Drizzle · precipitation 76% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
20 / 100
for sea and sun · So-so
🏊 Swimming
0 / 100
water 29° · Bad
🏃 Running
0 / 100
comfort for running · Bad
🧴 UV
36%
moderate · moderate
☂️ Rain
88%
likely · high
✨ Stars
26 / 100
evening visibility · So-so
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
0 / 100
better to wait · Bad

🌫️ Air quality

45
Moderate air
European AQI
PM2.5: 23PM10: 46O₃: 44NO₂: 0
Moderate. Those sensitive to dust should be more careful during long outdoor exercise.

🌅 Sun, moon and sea

Sunrise
05:50
Sunset
18:26
Golden hour
17:57
Daylight
13 h (-1 min vs yesterday)
Sea temperature
+29°
🌊 moderate, waves 1.4 m.

Castries climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+27°
+23°
Jan
+27°
+23°
Feb
+28°
+23°
Mar
+29°
+24°
Apr
+29°
+25°
May
+29°
+25°
Jun
+29°
+25°
Jul
+29°
+25°
Aug
+29°
+25°
Sep
+29°
+25°
Oct
+28°
+25°
Nov
+27°
+24°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month Day Night Sea Precipitation What to pack and what makes the month notable (events, nuances)
January +27° +23° +28° 36 mm A comfortable month: +27° by day without exhausting heat. 😊 light summer clothing. Water at +28° — great for swimming. This is the coldest month of the year.
February +27° +23° +27° 25 mm Warm and comfortable: +27° by day, +23° at night. 😊 light summer clothing. Water at +27° — great for swimming. Weather-wise, one of the three best months to visit.
March +28° +23° +27° 30 mm Gentle warmth — about +28° daytime, great walking weather. 😊 light summer clothing. Water at +27° — great for swimming. Weather-wise, one of the three best months to visit.
April +29° +24° +28° 39 mm A comfortable month: +29° by day without exhausting heat. 😊 light summer clothing. Water at +28° — great for swimming.
May +29° +25° +28° 51 mm Warm and comfortable: +29° by day, +25° at night. 😊 light summer clothing. Water at +28° — great for swimming.
June +29° +25° +29° 68 mm Gentle warmth — about +29° daytime, great walking weather. Frequent rain (68 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +29° — great for swimming. The longest daylight hours of the year — more time for everything.
July +29° +25° +29° 89 mm A comfortable month: +29° by day without exhausting heat. One of the wettest months (89 mm): downpours can derail plans. 😊 light summer clothing. Water at +29° — great for swimming.
August +29° +25° +30° 101 mm Warm and comfortable: +29° by day, +25° at night. It's a rainy month (101 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +30° — like a warm bath.
September +29° +25° +30° 106 mm Gentle warmth — about +29° daytime, great walking weather. Frequent rain (106 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +30° — like a warm bath. This is the hottest month of the year in Castries.
October +29° +25° +30° 118 mm A comfortable month: +29° by day without exhausting heat. One of the wettest months (118 mm): downpours can derail plans. 😊 light summer clothing. The sea is +30° — like a warm bath. Statistically the wettest month of the year.
November +28° +25° +29° 103 mm Warm and comfortable: +28° by day, +25° at night. It's a rainy month (103 mm) — an umbrella is a must. 😊 light summer clothing. Water at +29° — great for swimming.
December +27° +24° +28° 46 mm Gentle warmth — about +27° daytime, great walking weather. 😊 light summer clothing. Water at +28° — great for swimming. The shortest daylight of the year — it gets dark early.

When to visit Castries

✅ Recommended time to visit
🌟 Best time: January, February, March
Daytime air+27…+28°
Sea temperature+27…+28°
Precipitationoften
Why: comfortable +27…+28° by day, little rain, warm sea (+27…28°).
⚠️ Doable, with caveats
🌤️ Shoulder season: April, May, June, July, November, December
Daytime air+27…+29°
Sea temperature+28…+29°
Precipitationoften
Why: noticeable rain risk (39–103 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
🌤️ Shoulder season: August, September, October
Daytime air+29…+29°
Sea temperature+30…+30°
Precipitationoften
Why: the rainy season (101–118 mm/month) — downpours almost daily.
Bottom line: the best time to visit Castries is January – March, and the most comfortable months are January, February, March. The toughest months to visit are August, September, October: frequent rain.

🌡️ Today vs the climate normal

Today's high
+31°
Normal for August
+29°
Deviation
2° warmer than normal
A year ago on this day
+30°
Record for this date
+31° (2023)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).

Weather archive for Castries

📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.

Show the archive for the selected day →

Weather in cities near Castries

Frequently asked questions about the weather in Castries

What is the weather in Castries right now?
Mostly clear, +29°, feels like +30°.
Will it rain in Castries today?
Yes: 88% chance, 1 mm.
When is the best time to visit Castries?
Best time to visit — January – March.
Can you swim in Castries in summer?
In winter the water is around +28° — great for swimming. In summer the sea warms up to +29°.
What time are sunrise and sunset in Castries?
Sunrise 05:50, sunset 18:26.
Does it snow in Castries in winter?
No, it practically never snows.
What is the climate in Castries by month?
Summers up to +29° in September, winters around +23° in January; the wettest month is October.
Is it cold in Castries in winter?
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.