Castries, Saint Lucia 14-Day Forecast

Saint Lucia 🇱🇨
83°
Patchy rain nearby right now Today: high 84°, low 79°
Updated 5 hours ago

Castries weather for the next 14 days

Today

Light rain shower High 84° Low 79°
Precipitation
88% · 0.63 in
16 mph
10 - Very High
Sunrise / sunset
05:53 AM / 05:51 PM

Tuesday, October 6

Patchy rain nearby High 84° Low 78°
Precipitation
78% · 0.15 in
Max wind
17 mph
Humidity
77%
UV index
10 - Very High
Sunrise / sunset
05:53 AM / 05:50 PM

Wednesday, October 7

Patchy rain nearby High 84° Low 77°
Precipitation
37% · 0.01 in
Max wind
18 mph
Humidity
78%
UV index
11 - Extreme
Sunrise / sunset
05:53 AM / 05:49 PM

Thursday, October 8

Patchy rain nearby High 85° Low 80°
Precipitation
72% · 0.11 in
Max wind
13 mph
Humidity
77%
UV index
11 - Extreme
Sunrise / sunset
05:54 AM / 05:48 PM

Friday, October 9

Patchy rain nearby High 85° Low 80°
Precipitation
69% · 0.1 in
Max wind
14 mph
Humidity
76%
UV index
6 - High
Sunrise / sunset
05:54 AM / 05:48 PM

Saturday, October 10

Patchy rain nearby High 85° Low 79°
Precipitation
84% · 0.42 in
Max wind
15 mph
Humidity
77%
UV index
6 - High
Sunrise / sunset
05:54 AM / 05:47 PM

Sunday, October 11

Patchy rain nearby High 85° Low 80°
Precipitation
83% · 0.69 in
Max wind
14 mph
Humidity
77%
UV index
6 - High
Sunrise / sunset
05:54 AM / 05:47 PM

Monday, October 12

Thundery outbreaks in nearby High 85° Low 80°
Precipitation
75% · 0.14 in
Max wind
16 mph
Humidity
78%
UV index
6 - High
Sunrise / sunset
05:54 AM / 05:46 PM

Tuesday, October 13

Thundery outbreaks in nearby High 84° Low 81°
Precipitation
86% · 0.79 in
Max wind
24 mph
Humidity
79%
UV index
6 - High
Sunrise / sunset
05:54 AM / 05:45 PM

Wednesday, October 14

Overcast High 82° Low 78°
Precipitation
88% · 1.03 in
Max wind
15 mph
Humidity
81%
UV index
6 - High
Sunrise / sunset
05:54 AM / 05:45 PM

Thursday, October 15

Patchy rain nearby High 85° Low 80°
Precipitation
57% · 0.04 in
Max wind
15 mph
Humidity
78%
UV index
6 - High
Sunrise / sunset
05:54 AM / 05:44 PM

Friday, October 16

Patchy rain nearby High 85° Low 81°
Precipitation
80% · 0.31 in
Max wind
14 mph
Humidity
80%
UV index
6 - High
Sunrise / sunset
05:55 AM / 05:43 PM

Saturday, October 17

Patchy rain nearby High 84° Low 80°
Precipitation
75% · 0.15 in
Max wind
15 mph
Humidity
80%
UV index
6 - High
Sunrise / sunset
05:55 AM / 05:43 PM

Sunday, October 18

Patchy rain nearby High 85° Low 80°
Precipitation
72% · 0.1 in
Max wind
13 mph
Humidity
78%
UV index
6 - High
Sunrise / sunset
05:55 AM / 05:42 PM

Castries 14-day outlook: the story

The warmest day of Castries's 14-day outlook is Thursday, October 8 with a high near 85°F (30°C); the coolest night comes Wednesday, October 7, dipping to 77°F (25°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 85°F (29°C), right in line with the typical October high of 85°F (29°C).

Precipitation is most likely on Monday 5, Tuesday 6, Thursday 8, Friday 9 and beyond; the wettest day looks like Wednesday, October 14 with about 1.03 in (26.3 mm) expected. For the weekend, expect Saturday 85°F (29°C) and patchy rain nearby / Sunday 85°F (29°C) and patchy rain nearby.

For typical conditions month by month, see the Castries climate & average temperatures guide.

Castries forecast questions

Will it rain in Castries this week?
The forecast currently shows meaningful precipitation chances on 13 of the next 14 days, peaking around Wednesday, October 14.
What will be the warmest day in Castries over the next 14 days?
Thursday, October 8, with a forecast high near 85°F (30°C).
How accurate is a 14-day forecast for Castries?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.

Average temperatures in Castries by month

Monthly averages for Castries based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 81° 73° 18 2.2 in 10.8 h/day 11.4 h 57% 76%
February 81° 73° 13 1.8 in 11.1 h/day 11.7 h 45% 74%
March 82° 73° 15 1.9 in 11.6 h/day 12.0 h 49% 74%
April 84° 74° 12 1.5 in 11.8 h/day 12.4 h 41% 73%
May 85° 76° 13 1.9 in 11.7 h/day 12.8 h 41% 74%
June 85° 76° 19 3.3 in 11.3 h/day 12.9 h 63% 77%
July 84° 76° 24 4.6 in 11.5 h/day 12.9 h 78% 80%
August 85° 76° 23 4.2 in 11.3 h/day 12.6 h 73% 80%
September 86° 77° 22 4.5 in 11.2 h/day 12.2 h 72% 80%
October 85° 76° 21 3.9 in 10.8 h/day 11.8 h 67% 80%
November 83° 75° 21 4.4 in 10.5 h/day 11.5 h 69% 80%
December 82° 74° 17 2.2 in 10.7 h/day 11.3 h 55% 77%
14-day forecasts nearby