San Juan (Argentina) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 18° Celsius; -
Maximum daytime temperature: 36° Celsius; Minimum nighttime temperature: 19° Celsius;
Maximum daytime temperature: 36° Celsius; Minimum nighttime temperature: 19° Celsius;
-
Maximum daytime temperature: 36° Celsius; Minimum nighttime temperature: 20° Celsius;
Maximum daytime temperature: 36° Celsius; Minimum nighttime temperature: 20° Celsius;
-
Maximum daytime temperature: 39° Celsius; Minimum nighttime temperature: 20° Celsius;
Maximum daytime temperature: 39° Celsius; Minimum nighttime temperature: 20° Celsius;
-
Maximum daytime temperature: 39° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 39° Celsius; Minimum nighttime temperature: 22° Celsius;
-
Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 20° Celsius;
Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 20° Celsius;
-
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 20° Celsius;
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 20° Celsius;
Sunny.
Sunrise:
Sunset:
Ex UV
No pollution data.
No pollen data.
7 day forecast for San Juan
Today (16 December 2025)
| Time |
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%
|
| Temperature |
33°
|
33°
|
33°
|
31°
|
29°
|
27°
|
25°
|
| Feels like temperature (°C) |
32°
|
32°
|
31°
|
29°
|
26°
|
25°
|
24°
|
| Wind direction and speed |
NE
4
|
NE
6
|
NE
7
|
NNE
9
|
NNE
11
|
N
10
|
N
8
|
| Wind gust (mph) |
18
|
21
|
22
|
26
|
28
|
25
|
19
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
20%
|
20%
|
20%
|
21%
|
27%
|
36%
|
40%
|
| UV | 5 | 2 | 1 | 1 | - | - | - |
Wednesday (17 December 2025)
| 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
24°
|
23°
|
22°
|
21°
|
20°
|
19°
|
18°
|
19°
|
21°
|
24°
|
26°
|
28°
|
30°
|
32°
|
34°
|
35°
|
36°
|
36°
|
36°
|
36°
|
34°
|
32°
|
29°
|
28°
|
| Feels like temperature (°C) |
23°
|
23°
|
22°
|
21°
|
20°
|
19°
|
18°
|
19°
|
21°
|
23°
|
26°
|
28°
|
30°
|
32°
|
33°
|
34°
|
34°
|
34°
|
34°
|
33°
|
32°
|
30°
|
29°
|
28°
|
| Wind direction and speed (mph) |
NNW
5
|
N
4
|
N
5
|
N
4
|
N
3
|
NNW
3
|
NW
3
|
NW
3
|
NW
3
|
NW
3
|
N
3
|
NE
3
|
E
3
|
ESE
4
|
SE
6
|
SE
8
|
SE
10
|
SSE
11
|
SSE
12
|
SSE
12
|
SSE
12
|
SSE
10
|
SE
5
|
N
5
|
| Wind gust (mph) |
13
|
12
|
12
|
10
|
9
|
8
|
8
|
8
|
9
|
12
|
13
|
12
|
12
|
16
|
26
|
28
|
30
|
30
|
30
|
29
|
25
|
20
|
14
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
53%
|
58%
|
59%
|
63%
|
69%
|
74%
|
75%
|
63%
|
54%
|
41%
|
40%
|
38%
|
30%
|
23%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
37%
|
41%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 5 | 8 | 11 | 13 | 14 | 13 | 11 | 8 | 5 | 2 | 1 | 1 | - | - | - |
Thursday (18 December 2025)
| 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
27°
|
25°
|
23°
|
22°
|
21°
|
20°
|
19°
|
21°
|
23°
|
26°
|
28°
|
30°
|
31°
|
33°
|
34°
|
35°
|
36°
|
36°
|
36°
|
36°
|
34°
|
32°
|
31°
|
31°
|
| Feels like temperature (°C) |
26°
|
24°
|
24°
|
22°
|
21°
|
20°
|
19°
|
21°
|
23°
|
26°
|
26°
|
27°
|
28°
|
30°
|
32°
|
34°
|
35°
|
35°
|
35°
|
35°
|
33°
|
30°
|
30°
|
29°
|
| Wind direction and speed (mph) |
N
7
|
NNW
5
|
N
4
|
NNW
3
|
NNW
3
|
NNW
3
|
NW
3
|
WNW
3
|
WNW
2
|
SSW
2
|
S
7
|
SSE
11
|
SSE
11
|
SE
10
|
SE
8
|
ESE
7
|
ESE
6
|
ESE
7
|
ESE
7
|
ESE
7
|
E
7
|
E
6
|
NNE
6
|
N
9
|
| Wind gust (mph) |
15
|
12
|
10
|
9
|
8
|
8
|
8
|
8
|
8
|
8
|
28
|
30
|
30
|
28
|
26
|
24
|
23
|
23
|
23
|
21
|
17
|
16
|
24
|
22
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
VG
|
| Humidity |
40%
|
41%
|
56%
|
59%
|
63%
|
65%
|
71%
|
54%
|
40%
|
37%
|
23%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
19%
|
20%
|
20%
|
20%
|
21%
|
23%
|
22%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 5 | 8 | 11 | 13 | 14 | 13 | 11 | 8 | 5 | 2 | 1 | 1 | - | - | - |
Friday (19 December 2025)
| 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
20%
|
30%
|
10%
|
10%
|
| Temperature (°C) |
29°
|
26°
|
25°
|
23°
|
22°
|
21°
|
20°
|
22°
|
24°
|
27°
|
29°
|
31°
|
33°
|
35°
|
37°
|
38°
|
39°
|
39°
|
39°
|
39°
|
37°
|
34°
|
33°
|
31°
|
| Feels like temperature (°C) |
27°
|
26°
|
24°
|
23°
|
22°
|
21°
|
20°
|
22°
|
24°
|
26°
|
28°
|
30°
|
32°
|
34°
|
36°
|
37°
|
36°
|
36°
|
37°
|
36°
|
35°
|
32°
|
31°
|
30°
|
| Wind direction and speed (mph) |
NNW
7
|
NNW
5
|
N
5
|
N
4
|
N
4
|
NNW
3
|
NNW
3
|
NW
3
|
NW
3
|
NNW
4
|
N
5
|
NNE
5
|
NE
6
|
NE
7
|
ENE
8
|
NE
9
|
NE
10
|
NE
9
|
NE
8
|
NE
8
|
NNE
10
|
NNE
12
|
NNE
10
|
N
8
|
| Wind gust (mph) |
18
|
14
|
14
|
12
|
11
|
10
|
9
|
10
|
12
|
14
|
18
|
20
|
22
|
26
|
29
|
31
|
30
|
29
|
25
|
23
|
29
|
30
|
23
|
20
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
VG
|
| Humidity |
28%
|
39%
|
43%
|
50%
|
53%
|
59%
|
64%
|
46%
|
40%
|
35%
|
27%
|
21%
|
20%
|
20%
|
19%
|
18%
|
10%
|
6%
|
5%
|
6%
|
19%
|
21%
|
25%
|
25%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 5 | 8 | 11 | 13 | 14 | 13 | 11 | 8 | 5 | 2 | 1 | 1 | - | - | - |
Saturday (20 December 2025)
| 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
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
| Temperature (°C) |
30°
|
28°
|
26°
|
24°
|
23°
|
22°
|
21°
|
23°
|
24°
|
25°
|
27°
|
29°
|
31°
|
32°
|
34°
|
36°
|
38°
|
39°
|
39°
|
38°
|
36°
|
34°
|
| Feels like temperature (°C) |
29°
|
28°
|
26°
|
25°
|
23°
|
22°
|
21°
|
22°
|
23°
|
24°
|
26°
|
27°
|
29°
|
31°
|
32°
|
34°
|
36°
|
36°
|
36°
|
35°
|
33°
|
31°
|
| Wind direction and speed (mph) |
NNW
6
|
NNW
5
|
NNW
5
|
NW
4
|
WNW
3
|
WSW
4
|
WSW
4
|
W
4
|
W
4
|
SW
5
|
S
8
|
SSE
9
|
SSE
9
|
SE
8
|
ESE
8
|
ESE
8
|
ESE
8
|
ESE
8
|
SE
8
|
SSE
10
|
S
13
|
S
12
|
| Wind gust (mph) |
16
|
15
|
13
|
10
|
11
|
11
|
11
|
12
|
15
|
21
|
25
|
25
|
26
|
25
|
27
|
27
|
27
|
27
|
28
|
30
|
29
|
28
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
33%
|
42%
|
43%
|
52%
|
55%
|
53%
|
51%
|
38%
|
28%
|
27%
|
30%
|
32%
|
24%
|
20%
|
17%
|
16%
|
13%
|
10%
|
10%
|
13%
|
18%
|
19%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 5 | 8 | 11 | 13 | 14 | 13 | 11 | 8 | 5 | 2 | 1 | 1 | - |
Sunday (21 December 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
 |
| Chance of precipitation |
40%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
40%
|
| Temperature (°C) |
29°
|
25°
|
22°
|
25°
|
29°
|
32°
|
32°
|
28°
|
| Feels like temperature (°C) |
28°
|
25°
|
23°
|
24°
|
27°
|
30°
|
28°
|
25°
|
| Wind direction and speed (mph) |
S
8
|
SSW
4
|
SSW
4
|
S
7
|
SSE
10
|
SSE
13
|
SSE
17
|
S
13
|
| Wind gust (mph) |
18
|
11
|
16
|
26
|
34
|
41
|
41
|
29
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
36%
|
53%
|
68%
|
54%
|
40%
|
32%
|
29%
|
40%
|
| UV | - | - | 1 | 5 | 13 | 11 | 2 | - |
Monday (22 December 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
25°
|
23°
|
21°
|
23°
|
27°
|
31°
|
32°
|
29°
|
| Feels like temperature (°C) |
24°
|
23°
|
22°
|
24°
|
27°
|
29°
|
30°
|
28°
|
| Wind direction and speed (mph) |
S
8
|
S
4
|
SSW
3
|
S
4
|
SE
7
|
E
9
|
E
9
|
NNE
6
|
| Wind gust (mph) |
17
|
12
|
13
|
17
|
26
|
28
|
26
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
53%
|
67%
|
77%
|
59%
|
40%
|
24%
|
23%
|
40%
|
| UV | - | - | 1 | 4 | 13 | 11 | 2 | - |
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Forecast
Forecast for 5pm (UTC-3) Tuesday
Updated 18:23 (UTC) on Tue 16 Dec 2025
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