Castries, Saint Lucia 14-Day Forecast
Saint Lucia 🇱🇨
88°
Partly cloudy right now
Today: high 84°, low 80°
Updated just now
Castries weather for the next 14 days
Saturday, July 18
Patchy rain nearby High 84° Low 79°Precipitation
40%
· 0.02 in
Max wind
23 mph
Humidity
72%
UV index
11 - Extreme
Sunrise / sunset
05:44 AM / 06:35 PM
Sunday, July 19
Patchy rain nearby High 85° Low 80°Precipitation
36%
· 0.01 in
Max wind
20 mph
Humidity
72%
UV index
11 - Very High
Sunrise / sunset
05:44 AM / 06:35 PM
Monday, July 20
Patchy rain nearby High 85° Low 80°Precipitation
36%
· 0.01 in
Max wind
17 mph
Humidity
69%
UV index
11 - Extreme
Sunrise / sunset
05:45 AM / 06:35 PM
Tuesday, July 21
Patchy rain nearby High 85° Low 79°Precipitation
36%
· 0.02 in
Max wind
16 mph
Humidity
71%
UV index
7 - High
Sunrise / sunset
05:45 AM / 06:35 PM
Wednesday, July 22
Patchy rain nearby High 84° Low 79°Precipitation
62%
· 0.07 in
Max wind
19 mph
Humidity
76%
UV index
6 - High
Sunrise / sunset
05:45 AM / 06:35 PM
Thursday, July 23
Patchy rain nearby High 84° Low 80°Precipitation
59%
· 0.06 in
Max wind
20 mph
Humidity
76%
UV index
6 - High
Sunrise / sunset
05:46 AM / 06:35 PM
Friday, July 24
Patchy rain nearby High 84° Low 80°Precipitation
64%
· 0.09 in
Max wind
19 mph
Humidity
77%
UV index
7 - High
Sunrise / sunset
05:46 AM / 06:34 PM
Saturday, July 25
Patchy rain nearby High 84° Low 80°Precipitation
61%
· 0.05 in
Max wind
15 mph
Humidity
78%
UV index
6 - High
Sunrise / sunset
05:46 AM / 06:34 PM
Sunday, July 26
Patchy rain nearby High 84° Low 80°Precipitation
77%
· 0.22 in
Max wind
16 mph
Humidity
78%
UV index
6 - High
Sunrise / sunset
05:46 AM / 06:34 PM
Monday, July 27
Patchy rain nearby High 85° Low 80°Precipitation
36%
· 0.02 in
Max wind
17 mph
Humidity
74%
UV index
7 - High
Sunrise / sunset
05:47 AM / 06:34 PM
Tuesday, July 28
Patchy rain nearby High 84° Low 79°Precipitation
71%
· 0.12 in
Max wind
18 mph
Humidity
78%
UV index
6 - High
Sunrise / sunset
05:47 AM / 06:33 PM
Wednesday, July 29
Patchy rain nearby High 83° Low 80°Precipitation
73%
· 0.18 in
Max wind
21 mph
Humidity
78%
UV index
7 - High
Sunrise / sunset
05:47 AM / 06:33 PM
Thursday, July 30
Patchy rain nearby High 84° Low 80°Precipitation
69%
· 0.14 in
Max wind
17 mph
Humidity
76%
UV index
7 - High
Sunrise / sunset
05:47 AM / 06:33 PM
Castries 14-day outlook: the story
The warmest day of Castries's 14-day outlook is Monday, July 20 with a high near 85°F (30°C); the coolest night comes Tuesday, July 21, dipping to 79°F (26°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 84°F (29°C), right in line with the typical July high of 84°F (29°C).
Precipitation is most likely on Friday 17, Wednesday 22, Thursday 23, Friday 24 and beyond; the wettest day looks like Sunday, July 26 with about 0.22 in (5.6 mm) expected. For the weekend, expect Saturday 84°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 9 of the next 14 days, peaking around Sunday, July 26.
What will be the warmest day in Castries over the next 14 days?
Monday, July 20, 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
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 81° | 73° | 18 | 2.2 in | 10.8 h/day | 76% |
| February | 81° | 73° | 13 | 1.8 in | 11.1 h/day | 74% |
| March | 82° | 73° | 15 | 1.9 in | 11.6 h/day | 74% |
| April | 84° | 74° | 12 | 1.5 in | 11.8 h/day | 73% |
| May | 85° | 76° | 13 | 1.9 in | 11.7 h/day | 74% |
| June | 85° | 76° | 19 | 3.3 in | 11.3 h/day | 77% |
| July | 84° | 76° | 24 | 4.6 in | 11.5 h/day | 80% |
| August | 85° | 76° | 23 | 4.2 in | 11.3 h/day | 80% |
| September | 86° | 77° | 22 | 4.5 in | 11.2 h/day | 80% |
| October | 85° | 76° | 21 | 3.9 in | 10.8 h/day | 80% |
| November | 83° | 75° | 21 | 4.4 in | 10.5 h/day | 80% |
| December | 82° | 74° | 17 | 2.2 in | 10.7 h/day | 77% |
14-day forecasts nearby