Castries, Saint Lucia 14-Day Forecast
Saint Lucia 🇱🇨
84°
Patchy rain nearby right now
Today: high 85°, low 80°
Updated 1 min ago
Castries weather for the next 14 days
Friday, August 7
Patchy rain nearby High 85° Low 80°Precipitation
40%
· 0.03 in
Max wind
17 mph
Humidity
72%
UV index
11 - Extreme
Sunrise / sunset
05:49 AM / 06:30 PM
Saturday, August 8
Sunny High 86° Low 81°Precipitation
36%
· 0.02 in
Max wind
16 mph
Humidity
71%
UV index
11 - Very High
Sunrise / sunset
05:49 AM / 06:29 PM
Sunday, August 9
Patchy rain nearby High 86° Low 80°Precipitation
60%
· 0.08 in
Max wind
15 mph
Humidity
74%
UV index
12 - Extreme
Sunrise / sunset
05:49 AM / 06:29 PM
Monday, August 10
Patchy rain nearby High 86° Low 82°Precipitation
49%
· 0.04 in
Max wind
16 mph
Humidity
73%
UV index
7 - High
Sunrise / sunset
05:49 AM / 06:28 PM
Tuesday, August 11
Patchy rain nearby High 86° Low 80°Precipitation
36%
· 0.02 in
Max wind
16 mph
Humidity
75%
UV index
7 - High
Sunrise / sunset
05:50 AM / 06:28 PM
Wednesday, August 12
Patchy rain nearby High 86° Low 81°Precipitation
72%
· 0.15 in
Max wind
17 mph
Humidity
77%
UV index
6 - High
Sunrise / sunset
05:50 AM / 06:27 PM
Thursday, August 13
Patchy rain nearby High 85° Low 81°Precipitation
68%
· 0.1 in
Max wind
22 mph
Humidity
74%
UV index
6 - High
Sunrise / sunset
05:50 AM / 06:27 PM
Friday, August 14
Patchy rain nearby High 85° Low 81°Precipitation
61%
· 0.05 in
Max wind
23 mph
Humidity
74%
UV index
6 - High
Sunrise / sunset
05:50 AM / 06:26 PM
Saturday, August 15
Patchy rain nearby High 85° Low 81°Precipitation
26%
· 0.01 in
Max wind
22 mph
Humidity
72%
UV index
7 - High
Sunrise / sunset
05:50 AM / 06:26 PM
Sunday, August 16
Patchy rain nearby High 85° Low 81°Precipitation
49%
· 0.04 in
Max wind
20 mph
Humidity
73%
UV index
7 - High
Sunrise / sunset
05:50 AM / 06:25 PM
Monday, August 17
Patchy rain nearby High 85° Low 81°Precipitation
50%
· 0.03 in
Max wind
18 mph
Humidity
75%
UV index
6 - High
Sunrise / sunset
05:51 AM / 06:25 PM
Tuesday, August 18
Patchy rain nearby High 86° Low 81°Precipitation
61%
· 0.06 in
Max wind
16 mph
Humidity
77%
UV index
7 - High
Sunrise / sunset
05:51 AM / 06:24 PM
Wednesday, August 19
Patchy rain nearby High 86° Low 81°Precipitation
73%
· 0.15 in
Max wind
18 mph
Humidity
78%
UV index
6 - High
Sunrise / sunset
05:51 AM / 06:24 PM
Castries 14-day outlook: the story
The warmest day of Castries's 14-day outlook is Tuesday, August 18 with a high near 86°F (30°C); the coolest night comes Thursday, August 6, dipping to 80°F (27°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 86°F (30°C), right in line with the typical August high of 85°F (29°C).
Precipitation is most likely on Thursday 6, Sunday 9, Wednesday 12, Thursday 13 and beyond; the wettest day looks like Wednesday, August 19 with about 0.15 in (3.9 mm) expected. For the weekend, expect Saturday 86°F (30°C) and sunny / Sunday 86°F (30°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 8 of the next 14 days, peaking around Wednesday, August 19.
What will be the warmest day in Castries over the next 14 days?
Tuesday, August 18, with a forecast high near 86°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