San Juan (Puerto Rico) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 30° Celsius; Minimum nighttime temperature: 26° Celsius;
Maximum daytime temperature: 30 degrees Celsius; Minimum nighttime temperature: 26 degrees Celsius; -
Maximum daytime temperature: 31° Celsius; Minimum nighttime temperature: 27° Celsius;
Maximum daytime temperature: 31 degrees Celsius; Minimum nighttime temperature: 27 degrees Celsius; -
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 27° Celsius;
Maximum daytime temperature: 32 degrees Celsius; Minimum nighttime temperature: 27 degrees Celsius;
-
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 28° Celsius;
Maximum daytime temperature: 32 degrees Celsius; Minimum nighttime temperature: 28 degrees Celsius;
-
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 28° Celsius;
Maximum daytime temperature: 32 degrees Celsius; Minimum nighttime temperature: 28 degrees Celsius;
-
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 27° Celsius;
Maximum daytime temperature: 32 degrees Celsius; Minimum nighttime temperature: 27 degrees Celsius;
-
Maximum daytime temperature: 31° Celsius; Minimum nighttime temperature: 27° Celsius;
Maximum daytime temperature: 31 degrees Celsius; Minimum nighttime temperature: 27 degrees Celsius;
Light showers changing to sunny intervals by lunchtime.
Sunrise:
Sunset:
Ex UV
No pollution data.
No pollen data.
7 day forecast for San Juan
Today (21 July 2026)
| Time |
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
 |
|
|
|
|
|
 |
|
 |
|
|
|
|
| Chance of precipitation |
60%
|
30%
|
20%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
30%
|
| Temperature |
28°
|
28°
|
29°
|
30°
|
30°
|
30°
|
30°
|
30°
|
29°
|
29°
|
29°
|
28°
|
28°
|
28°
|
| Feels like temperature (°C) |
30°
|
31°
|
31°
|
32°
|
32°
|
32°
|
31°
|
31°
|
30°
|
30°
|
30°
|
30°
|
30°
|
30°
|
| Wind direction and speed |
NNE
7
|
NNE
7
|
NNE
8
|
NE
9
|
NE
9
|
NE
10
|
NE
10
|
NE
11
|
ENE
11
|
ENE
11
|
ENE
10
|
ENE
10
|
ENE
10
|
ENE
9
|
| Wind gust (mph) |
14
|
16
|
17
|
18
|
20
|
20
|
20
|
21
|
20
|
19
|
18
|
17
|
15
|
14
|
| Visibility |
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
81%
|
77%
|
74%
|
68%
|
67%
|
68%
|
67%
|
69%
|
73%
|
74%
|
75%
|
76%
|
77%
|
80%
|
| UV | 8 | 10 | 10 | 11 | 9 | 6 | 3 | 1 | 1 | 1 | - | - | - | - |
Wednesday (22 July 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
50%
|
40%
|
40%
|
20%
|
30%
|
20%
|
30%
|
50%
|
50%
|
40%
|
40%
|
40%
|
30%
|
30%
|
20%
|
10%
|
10%
|
20%
|
20%
|
<5%
|
10%
|
10%
|
<5%
|
| Temperature (°C) |
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
28°
|
29°
|
29°
|
30°
|
30°
|
30°
|
31°
|
31°
|
30°
|
30°
|
29°
|
28°
|
28°
|
28°
|
28°
|
| Feels like temperature (°C) |
30°
|
29°
|
29°
|
29°
|
29°
|
29°
|
29°
|
30°
|
30°
|
31°
|
30°
|
31°
|
31°
|
31°
|
32°
|
32°
|
32°
|
31°
|
31°
|
30°
|
30°
|
30°
|
30°
|
30°
|
| Wind direction and speed (mph) |
E
8
|
E
8
|
E
8
|
E
7
|
ESE
6
|
ESE
6
|
ESE
6
|
ESE
7
|
ESE
7
|
ESE
8
|
SE
9
|
SE
9
|
SE
10
|
SE
10
|
SE
10
|
SE
10
|
SE
10
|
SE
10
|
SE
10
|
SE
10
|
SE
9
|
SE
8
|
SE
8
|
SE
9
|
| Wind gust (mph) |
13
|
12
|
11
|
11
|
10
|
10
|
10
|
12
|
14
|
16
|
17
|
18
|
19
|
19
|
20
|
20
|
19
|
18
|
17
|
16
|
15
|
14
|
14
|
15
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
83%
|
85%
|
86%
|
86%
|
87%
|
88%
|
90%
|
86%
|
85%
|
83%
|
78%
|
74%
|
71%
|
65%
|
64%
|
63%
|
64%
|
66%
|
68%
|
71%
|
73%
|
75%
|
77%
|
78%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 4 | 5 | 9 | 6 | 11 | 10 | 9 | 6 | 3 | 1 | 1 | 1 | - | - | - | - |
Thursday (23 July 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
10%
|
10%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
28°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
28°
|
29°
|
30°
|
30°
|
31°
|
32°
|
32°
|
32°
|
31°
|
31°
|
30°
|
30°
|
29°
|
29°
|
28°
|
28°
|
| Feels like temperature (°C) |
29°
|
29°
|
29°
|
29°
|
29°
|
29°
|
29°
|
30°
|
30°
|
30°
|
31°
|
32°
|
32°
|
32°
|
32°
|
32°
|
32°
|
31°
|
31°
|
31°
|
30°
|
30°
|
30°
|
30°
|
| Wind direction and speed (mph) |
SE
9
|
SE
8
|
SE
8
|
SE
8
|
SE
8
|
SE
8
|
SE
8
|
SE
7
|
ESE
9
|
ESE
9
|
ESE
10
|
ESE
10
|
ESE
10
|
ESE
10
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
10
|
ESE
10
|
ESE
9
|
ESE
9
|
ESE
8
|
ESE
8
|
| Wind gust (mph) |
14
|
13
|
13
|
12
|
12
|
12
|
12
|
14
|
17
|
18
|
19
|
20
|
21
|
21
|
22
|
21
|
21
|
20
|
19
|
17
|
15
|
14
|
14
|
13
|
| Visibility (description) |
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
79%
|
82%
|
83%
|
83%
|
84%
|
84%
|
85%
|
84%
|
77%
|
74%
|
67%
|
64%
|
60%
|
56%
|
55%
|
55%
|
56%
|
58%
|
62%
|
65%
|
67%
|
69%
|
74%
|
75%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 3 | 7 | 9 | 11 | 12 | 12 | 9 | 6 | 3 | 1 | 1 | 1 | - | - | - | - |
Friday (24 July 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
28°
|
28°
|
27°
|
27°
|
27°
|
27°
|
27°
|
28°
|
28°
|
29°
|
30°
|
31°
|
31°
|
31°
|
32°
|
31°
|
31°
|
30°
|
30°
|
29°
|
29°
|
29°
|
29°
|
28°
|
| Feels like temperature (°C) |
30°
|
30°
|
30°
|
30°
|
29°
|
29°
|
29°
|
29°
|
30°
|
30°
|
30°
|
31°
|
32°
|
32°
|
33°
|
32°
|
32°
|
32°
|
31°
|
31°
|
30°
|
30°
|
30°
|
30°
|
| Wind direction and speed (mph) |
ESE
8
|
ESE
8
|
ESE
8
|
ESE
8
|
ESE
8
|
ESE
8
|
ESE
8
|
ESE
9
|
E
10
|
E
11
|
E
11
|
E
11
|
E
11
|
E
10
|
E
10
|
E
10
|
E
10
|
E
10
|
ENE
10
|
ENE
10
|
ENE
10
|
ENE
10
|
ENE
11
|
E
10
|
| Wind gust (mph) |
13
|
12
|
12
|
12
|
12
|
13
|
14
|
17
|
19
|
20
|
21
|
21
|
21
|
21
|
21
|
21
|
19
|
19
|
18
|
18
|
17
|
18
|
18
|
17
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
77%
|
77%
|
81%
|
84%
|
84%
|
84%
|
83%
|
79%
|
74%
|
69%
|
65%
|
63%
|
60%
|
58%
|
57%
|
61%
|
63%
|
68%
|
71%
|
74%
|
75%
|
77%
|
78%
|
78%
|
| UV | - | - | - | - | - | - | 1 | 1 | 3 | 6 | 9 | 11 | 12 | 11 | 9 | 6 | 3 | 1 | 1 | 1 | - | - | - | - |
Saturday (25 July 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
28°
|
28°
|
28°
|
28°
|
28°
|
28°
|
28°
|
28°
|
28°
|
29°
|
30°
|
31°
|
31°
|
32°
|
32°
|
32°
|
31°
|
31°
|
30°
|
30°
|
29°
|
29°
|
| Feels like temperature (°C) |
30°
|
30°
|
30°
|
30°
|
30°
|
29°
|
30°
|
30°
|
30°
|
31°
|
31°
|
32°
|
33°
|
33°
|
33°
|
33°
|
33°
|
32°
|
32°
|
31°
|
31°
|
30°
|
| Wind direction and speed (mph) |
E
10
|
E
10
|
E
10
|
E
10
|
E
10
|
E
10
|
E
9
|
E
10
|
E
11
|
E
11
|
E
11
|
E
11
|
E
11
|
E
10
|
E
10
|
E
10
|
E
10
|
E
10
|
E
10
|
E
10
|
E
10
|
E
10
|
| Wind gust (mph) |
17
|
17
|
17
|
16
|
16
|
15
|
16
|
18
|
19
|
20
|
21
|
21
|
21
|
21
|
21
|
20
|
19
|
18
|
17
|
17
|
18
|
18
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
78%
|
79%
|
83%
|
83%
|
84%
|
85%
|
85%
|
84%
|
79%
|
75%
|
72%
|
66%
|
65%
|
62%
|
63%
|
63%
|
64%
|
66%
|
72%
|
74%
|
75%
|
76%
|
| UV | - | - | - | - | - | - | 1 | 1 | 3 | 6 | 9 | 11 | 12 | 11 | 9 | 6 | 3 | 1 | 1 | 1 | - | - |
Sunday (26 July 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
20%
|
10%
|
10%
|
10%
|
20%
|
30%
|
| Temperature (°C) |
28°
|
28°
|
29°
|
31°
|
32°
|
31°
|
29°
|
28°
|
| Feels like temperature (°C) |
30°
|
30°
|
30°
|
32°
|
33°
|
32°
|
31°
|
31°
|
| Wind direction and speed (mph) |
E
10
|
E
9
|
E
10
|
E
10
|
E
11
|
E
10
|
E
9
|
E
9
|
| Wind gust (mph) |
16
|
16
|
20
|
21
|
21
|
19
|
16
|
14
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
82%
|
84%
|
78%
|
65%
|
59%
|
66%
|
75%
|
79%
|
| UV | - | - | 3 | 11 | 9 | 1 | - | - |
Monday (27 July 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
30%
|
30%
|
20%
|
20%
|
20%
|
10%
|
| Temperature (°C) |
28°
|
27°
|
28°
|
30°
|
31°
|
30°
|
29°
|
28°
|
| Feels like temperature (°C) |
30°
|
30°
|
30°
|
32°
|
33°
|
32°
|
31°
|
30°
|
| Wind direction and speed (mph) |
ESE
8
|
ESE
8
|
ESE
9
|
ESE
10
|
E
11
|
E
10
|
ESE
9
|
ESE
8
|
| Wind gust (mph) |
13
|
15
|
19
|
21
|
21
|
19
|
16
|
14
|
| Visibility (description) |
G
|
G
|
G
|
G
|
VG
|
VG
|
G
|
G
|
| Humidity |
84%
|
85%
|
83%
|
70%
|
65%
|
71%
|
78%
|
84%
|
| UV | - | - | 3 | 12 | 9 | 1 | - | - |
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Forecast
Forecast for 11am (UTC-4) Tuesday
Updated 13:18 (UTC+1) on Tue 21 Jul 2026
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