San Juan, Puerto Rico 14-Day Forecast
Puerto Rico 🇵🇷
87°
Sunny right now
Today: high 87°, low 78°
Updated 6 hours ago
San Juan weather for the next 14 days
Tuesday, October 6
Patchy rain nearby High 86° Low 79°Precipitation
67%
· 0.08 in
Max wind
15 mph
Humidity
76%
UV index
10 - Very High
Sunrise / sunset
06:16 AM / 06:09 PM
Wednesday, October 7
Patchy rain nearby High 86° Low 79°Precipitation
36%
· 0.01 in
Max wind
16 mph
Humidity
74%
UV index
10 - Very High
Sunrise / sunset
06:16 AM / 06:08 PM
Thursday, October 8
Overcast High 87° Low 78°Precipitation
64%
· 0.06 in
Max wind
17 mph
Humidity
76%
UV index
9 - Very High
Sunrise / sunset
06:16 AM / 06:07 PM
Friday, October 9
Patchy rain nearby High 86° Low 80°Precipitation
52%
· 0.03 in
Max wind
16 mph
Humidity
75%
UV index
8 - Very High
Sunrise / sunset
06:16 AM / 06:06 PM
Saturday, October 10
Patchy rain nearby High 86° Low 80°Precipitation
66%
· 0.13 in
Max wind
14 mph
Humidity
74%
UV index
7 - High
Sunrise / sunset
06:16 AM / 06:05 PM
Sunday, October 11
Patchy rain nearby High 85° Low 79°Precipitation
47%
· 0.03 in
Max wind
15 mph
Humidity
75%
UV index
7 - High
Sunrise / sunset
06:17 AM / 06:05 PM
Monday, October 12
Patchy rain nearby High 86° Low 78°Precipitation
74%
· 0.37 in
Max wind
17 mph
Humidity
75%
UV index
7 - High
Sunrise / sunset
06:17 AM / 06:04 PM
Tuesday, October 13
Sunny High 86° Low 77°Precipitation
74%
· 0.42 in
Max wind
15 mph
Humidity
77%
UV index
7 - High
Sunrise / sunset
06:17 AM / 06:03 PM
Wednesday, October 14
Overcast High 86° Low 79°Precipitation
72%
· 0.11 in
Max wind
14 mph
Humidity
75%
UV index
7 - High
Sunrise / sunset
06:17 AM / 06:02 PM
Thursday, October 15
Patchy rain nearby High 84° Low 79°Precipitation
81%
· 0.21 in
Max wind
13 mph
Humidity
76%
UV index
6 - High
Sunrise / sunset
06:18 AM / 06:02 PM
Friday, October 16
Patchy rain nearby High 86° Low 81°Precipitation
54%
· 0.03 in
Max wind
14 mph
Humidity
76%
UV index
7 - High
Sunrise / sunset
06:18 AM / 06:01 PM
Saturday, October 17
Patchy rain nearby High 86° Low 81°Precipitation
64%
· 0.05 in
Max wind
15 mph
Humidity
77%
UV index
6 - High
Sunrise / sunset
06:18 AM / 06:00 PM
Sunday, October 18
Patchy rain nearby High 85° Low 81°Precipitation
76%
· 0.17 in
Max wind
14 mph
Humidity
77%
UV index
6 - High
Sunrise / sunset
06:19 AM / 05:59 PM
San Juan 14-day outlook: the story
The warmest day of San Juan's 14-day outlook is Monday, October 5 with a high near 87°F (31°C); the coolest night comes Tuesday, October 13, dipping to 77°F (25°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 October high of 87°F (30°C).
Precipitation is most likely on Tuesday 6, Thursday 8, Friday 9, Saturday 10 and beyond; the wettest day looks like Tuesday, October 13 with about 0.42 in (10.8 mm) expected. For the weekend, expect Saturday 86°F (30°C) and patchy rain nearby / Sunday 85°F (29°C) and patchy rain nearby.
For typical conditions month by month, see the San Juan climate & average temperatures guide.
San Juan forecast questions
Will it rain in San Juan this week?
The forecast currently shows meaningful precipitation chances on 11 of the next 14 days, peaking around Tuesday, October 13.
What will be the warmest day in San Juan over the next 14 days?
Monday, October 5, with a forecast high near 87°F (31°C).
How accurate is a 14-day forecast for San Juan?
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 San Juan by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 83° | 71° | 14 | 2.1 in | 10.8 h/day | 11.1 h | 45% | 77% |
| February | 83° | 72° | 15 | 2.4 in | 10.8 h/day | 11.5 h | 53% | 75% |
| March | 84° | 72° | 15 | 2.2 in | 11.1 h/day | 12.0 h | 48% | 73% |
| April | 85° | 73° | 16 | 3.1 in | 11.7 h/day | 12.5 h | 55% | 74% |
| May | 87° | 75° | 17 | 3.1 in | 11.9 h/day | 13.0 h | 56% | 75% |
| June | 89° | 76° | 17 | 2.4 in | 12.2 h/day | 13.2 h | 55% | 75% |
| July | 88° | 77° | 19 | 3.1 in | 12.0 h/day | 13.1 h | 63% | 76% |
| August | 88° | 77° | 19 | 3.6 in | 11.5 h/day | 12.7 h | 63% | 78% |
| September | 88° | 77° | 22 | 6.1 in | 10.8 h/day | 12.2 h | 74% | 81% |
| October | 87° | 76° | 22 | 4.9 in | 10.3 h/day | 11.7 h | 70% | 82% |
| November | 85° | 74° | 20 | 5.3 in | 9.7 h/day | 11.2 h | 66% | 82% |
| December | 83° | 73° | 18 | 2.4 in | 10.6 h/day | 11.0 h | 56% | 79% |
14-day forecasts nearby