Grande Rivière

Gros-Islet, Saint Lucia

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Current Weather

27°

Overcast

Feels Like: 31°

Min: 26°

Max: 30°

The next few hours will be possible thunderstorms, with today reaching 30°C and dropping to 25°C. The coming days will be possible thunderstorms throughout the day.

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Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

27° 27° 27° 26° 27° 28° 28° 29° 29° 30° 30° 30° 30° 29° 29° 28° 28° 28° 27° 27° 27° 27° 26° 26°
22%
22%
22%
30%
30%
30%
52%
52%
52%
70%
70%
70%
54%
54%
54%
18%
18%
18%
40%
40%
40%
62%
62%
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
Today
Tomorrow

Daylight Hours

05:56

Sunrise

17:52

Sunset

11 hours 56 minutes of sunlight today

Moon

Waxing Gibbous

17:16

Moonrise

04:47

Moonset

Daily Forecast

Today

26°
30°

Saturday

25°
30°

Sunday

24°
30°

Monday

24°
29°

Tuesday

26°
28°

Wednesday

25°
29°

Thursday

25°
27°

Friday

25°
30°

Saturday

24°
29°

Sunday

27°
30°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

82% Humid
Low High

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Weather in Grande Rivière today, September 25, 2026

Grande Rivière starts September 25, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Morning plans should assume damp conditions, as rain chances climb toward 52% around 09:00. Cloud cover is also at its densest near 02:00 at roughly 97%.

The day peaks near 30°C and cools toward 26°C. The air stays humid, with relative humidity between 68% and 85% and the peak around 05:00. Winds stay light, near 5.6 km/h by 11:00, so the day feels still more than breezy.

Expect the wet theme to continue later, as rain odds reach 70% near 12:00. Cloud amounts hold near 96% around 19:00. Visibility stays near 16.1 km. Daylight runs from 05:56 to 17:52, lasting 11 hours 56 minutes of sunlight today.

In short, treat September 25, 2026 in Grande Rivière as a damp day: pack covers, watch the wetter hours, and expect a high near 30°C.

Frequently asked questions about weather in Grande Rivière

How warm does it get in Grande Rivière?

The warmest month in Grande Rivière is September, with average high temperatures of 30°C. The average temperature during this period is around 28°C.

How cold does it get in Grande Rivière?

The coldest month in Grande Rivière is February, with average low temperatures of 24°C. The average temperature during this period is around 26°C.

What is the wettest time of year in Grande Rivière?

The wettest month in Grande Rivière is October, with an average of 121mm of precipitation.

What is the driest time of year in Grande Rivière?

The driest month in Grande Rivière is February, with an average of 34mm of precipitation.

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Metric (°C, km/h)