10-Day Weather Forecast for Saint Lucia

Six-hourly outlook through Saturday 12 September. Updated every three hours via MET Norway.

Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Thursday
3 Sep
Partly cloudy
28°C (82°F)
0 mm (0 in)
Mostly sunny
31°C (88°F)
0.2 mm (0.01 in)
Light rain showers
27°C (81°F)
0.7 mm (0.03 in)
Hourly ›
Friday
4 Sep
Light rain showers
26°C (79°F)
0.7 mm (0.03 in)
Rain
27°C (81°F)
2.2 mm (0.1 in)
Light rain showers
30°C (86°F)
0.7 mm (0.03 in)
Light rain showers
27°C (81°F)
0.5 mm (0.02 in)
Hourly ›
Saturday
5 Sep
Partly cloudy
25°C (77°F)
0.2 mm (0.01 in)
Rain showers
28°C (82°F)
1.8 mm (0.1 in)
Rain showers
30°C (86°F)
1.4 mm (0.1 in)
Partly cloudy
27°C (81°F)
0.3 mm (0.01 in)
Hourly ›
Sunday
6 Sep
Mostly clear
26°C (79°F)
0.1 mm (0 in)
Rain showers
29°C (84°F)
1.3 mm (0.1 in)
Light rain showers
30°C (86°F)
0.6 mm (0.02 in)
Light rain showers
27°C (81°F)
0.8 mm (0.03 in)
Hourly ›
Monday
7 Sep
Partly cloudy
26°C (79°F)
0.4 mm (0.02 in)
Mostly sunny
28°C (82°F)
0 mm (0 in)
Light rain showers
31°C (88°F)
0.9 mm (0.04 in)
Rain showers
26°C (79°F)
1 mm (0.04 in)
Hourly ›
Tuesday
8 Sep
Mostly clear
27°C (81°F)
0 mm (0 in)
Light rain showers
28°C (82°F)
0.8 mm (0.03 in)
Light rain showers
30°C (86°F)
0.7 mm (0.03 in)
Light rain showers
27°C (81°F)
0.8 mm (0.03 in)
Hourly ›
Wednesday
9 Sep
Rain showers
26°C (79°F)
2.6 mm (0.1 in)
Rain showers
27°C (81°F)
2 mm (0.1 in)
Heavy rain showers
28°C (82°F)
5.5 mm (0.2 in)
Rain showers
25°C (77°F)
1.1 mm (0.04 in)
Hourly ›
Thursday
10 Sep
Heavy rain showers
25°C (77°F)
6.4 mm (0.3 in)
Rain
26°C (79°F)
1.6 mm (0.1 in)
Rain showers
29°C (84°F)
2.2 mm (0.1 in)
Rain
26°C (79°F)
2 mm (0.1 in)
Hourly ›
Friday
11 Sep
Rain
26°C (79°F)
2.1 mm (0.1 in)
Rain showers
27°C (81°F)
1.8 mm (0.1 in)
Light rain
30°C (86°F)
0.5 mm (0.02 in)
Cloudy
27°C (81°F)
0.1 mm (0 in)
Hourly ›
Saturday
12 Sep
Partly cloudy
27°C (81°F)
0.4 mm (0.02 in)
Rain showers
28°C (82°F)
1.4 mm (0.1 in)
Mostly sunny
29°C (84°F)
0.5 mm (0.02 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Saint Lucia this week?

Today's weather - Thursday 3 Sep

For Thursday the predicted weather in Saint Lucia is mostly sunny with some rain during the evening. The maximum temperature is a very warm 31°C (88°F), while the minimum temperature is a warm 27°C (81°F).

Tomorrow's weather - Friday 4 Sep

The forecast for Saint Lucia on Friday is light rain showers throughout the day. Expect highs of a warm 30°C (86°F) and lows of around 26°C (79°F).

10-Day Weather Forecast

Over the next 10 days, temperatures in Saint Lucia will be will remain fairly stable, with average daytime highs of 30°C (86°F) and nighttime lows of 26°C (79°F) over this period. Compared to normal September conditions, this is typical. Expect a bit more rainfall than usual (compared to average September levels), the days are characterized by some rainy days. Precipitation is likely on approximately 7 days (Fri, Sat, Sun, Mon, Tue, Wed, Thu).

Weather Forecast FAQ for Saint Lucia

When will be the warmest day next week?

The warmest day is expected to be Thursday with a high of 31°C (88°F).

When will be the coldest day?

The coldest day is forecasted for Wednesday with a low of 25°C (77°F).

Will it rain next week in Saint Lucia?

Yes, rain is expected on 7 days , specifically on Fri, Sat, Sun, Mon, Tue, Wed, Thu.

How much rainfall is expected next week?

A total of 40 mm (1.6 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 25°C (77°F) to 31°C (88°F).

More about Saint Lucia

Explore the full Saint Lucia climate overview with monthly averages, or check rainfall data and temperature by month.

Saint Lucia weather by month

Browse monthly averages for Saint Lucia: climate by month with temperature, rainfall and sunshine.