San Juan (Argentina) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 40° Celsius; Minimum nighttime temperature: 26° Celsius;
Maximum daytime temperature: 40° Celsius; Minimum nighttime temperature: 26° Celsius; -
Maximum daytime temperature: 38° Celsius; Minimum nighttime temperature: 26° Celsius;
Maximum daytime temperature: 38° Celsius; Minimum nighttime temperature: 26° Celsius;
-
Maximum daytime temperature: 36° Celsius; Minimum nighttime temperature: 25° Celsius;
Maximum daytime temperature: 36° Celsius; Minimum nighttime temperature: 25° Celsius;
-
Maximum daytime temperature: 36° Celsius; Minimum nighttime temperature: 24° Celsius;
Maximum daytime temperature: 36° Celsius; Minimum nighttime temperature: 24° Celsius;
-
Maximum daytime temperature: 34° Celsius; Minimum nighttime temperature: 23° Celsius;
Maximum daytime temperature: 34° Celsius; Minimum nighttime temperature: 23° Celsius;
-
Maximum daytime temperature: 34° Celsius; Minimum nighttime temperature: 24° Celsius;
Maximum daytime temperature: 34° Celsius; Minimum nighttime temperature: 24° Celsius;
-
Maximum daytime temperature: 35° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 35° Celsius; Minimum nighttime temperature: 22° Celsius;
Sunny changing to light showers by early evening.
Sunrise:
Sunset:
Ex UV
No pollution data.
No pollen data.
7 day forecast for San Juan
Today (22 January 2026)
| Time |
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%
|
10%
|
30%
|
60%
|
60%
|
50%
|
20%
|
10%
|
10%
|
| Temperature |
38°
|
39°
|
40°
|
40°
|
40°
|
38°
|
36°
|
33°
|
32°
|
31°
|
| Feels like temperature (°C) |
39°
|
40°
|
40°
|
40°
|
40°
|
38°
|
38°
|
36°
|
34°
|
33°
|
| Wind direction and speed |
SE
4
|
SE
4
|
SSE
5
|
SSE
6
|
S
7
|
S
8
|
SSE
5
|
NNW
4
|
N
6
|
N
7
|
| Wind gust (mph) |
16
|
16
|
18
|
17
|
18
|
16
|
12
|
11
|
14
|
13
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
27%
|
20%
|
20%
|
20%
|
22%
|
25%
|
38%
|
54%
|
55%
|
55%
|
| UV | 13 | 11 | 8 | 4 | 2 | 1 | 1 | - | - | - |
Friday (23 January 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 |
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
50%
|
80%
|
80%
|
80%
|
80%
|
60%
|
| Temperature (°C) |
31°
|
30°
|
29°
|
28°
|
28°
|
27°
|
26°
|
26°
|
27°
|
28°
|
29°
|
31°
|
33°
|
34°
|
36°
|
37°
|
38°
|
38°
|
38°
|
37°
|
34°
|
32°
|
30°
|
29°
|
| Feels like temperature (°C) |
32°
|
32°
|
31°
|
30°
|
30°
|
29°
|
28°
|
28°
|
29°
|
30°
|
31°
|
33°
|
34°
|
36°
|
37°
|
38°
|
39°
|
39°
|
39°
|
38°
|
35°
|
35°
|
33°
|
32°
|
| Wind direction and speed (mph) |
N
6
|
N
6
|
N
6
|
N
5
|
N
4
|
NNW
5
|
NW
4
|
SW
4
|
SSW
3
|
SSE
4
|
SSE
5
|
SSE
4
|
SE
5
|
SE
5
|
SE
5
|
SSE
5
|
SSE
6
|
SSE
7
|
SSE
7
|
SSE
8
|
SE
8
|
S
6
|
WNW
5
|
WNW
4
|
| Wind gust (mph) |
13
|
11
|
11
|
10
|
10
|
10
|
9
|
8
|
10
|
12
|
13
|
15
|
15
|
16
|
17
|
18
|
18
|
18
|
17
|
17
|
15
|
12
|
9
|
8
|
| 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 |
57%
|
60%
|
62%
|
65%
|
68%
|
69%
|
74%
|
72%
|
63%
|
58%
|
55%
|
50%
|
44%
|
41%
|
39%
|
36%
|
31%
|
30%
|
29%
|
37%
|
42%
|
56%
|
65%
|
72%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 4 | 7 | 10 | 12 | 13 | 12 | 11 | 8 | 4 | 2 | 1 | 1 | - | - | - |
Saturday (24 January 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%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
30%
|
50%
|
70%
|
70%
|
80%
|
60%
|
40%
|
| Temperature (°C) |
28°
|
28°
|
27°
|
27°
|
27°
|
26°
|
26°
|
26°
|
27°
|
28°
|
29°
|
30°
|
32°
|
33°
|
34°
|
35°
|
36°
|
36°
|
36°
|
35°
|
32°
|
31°
|
30°
|
29°
|
| Feels like temperature (°C) |
31°
|
31°
|
31°
|
30°
|
30°
|
30°
|
29°
|
29°
|
30°
|
31°
|
31°
|
33°
|
34°
|
35°
|
36°
|
37°
|
38°
|
38°
|
37°
|
36°
|
35°
|
33°
|
33°
|
32°
|
| Wind direction and speed (mph) |
NW
3
|
ENE
3
|
E
2
|
E
3
|
NNE
3
|
NNW
2
|
NNW
2
|
N
2
|
N
2
|
NE
2
|
ENE
3
|
ENE
4
|
NE
4
|
NE
4
|
NE
4
|
ENE
5
|
ENE
6
|
NE
6
|
NNE
6
|
NNE
7
|
NNE
6
|
ENE
4
|
SSW
4
|
WSW
3
|
| Wind gust (mph) |
7
|
5
|
5
|
5
|
5
|
5
|
4
|
5
|
5
|
8
|
12
|
13
|
14
|
14
|
15
|
16
|
16
|
16
|
15
|
15
|
11
|
10
|
9
|
7
|
| 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 |
74%
|
75%
|
79%
|
81%
|
83%
|
84%
|
84%
|
84%
|
73%
|
67%
|
60%
|
56%
|
50%
|
44%
|
41%
|
40%
|
39%
|
38%
|
38%
|
43%
|
54%
|
64%
|
69%
|
73%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 4 | 7 | 10 | 12 | 13 | 13 | 11 | 8 | 4 | 2 | 1 | 1 | - | - | - |
Sunday (25 January 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 |
30%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
30%
|
30%
|
30%
|
20%
|
40%
|
50%
|
40%
|
| Temperature (°C) |
28°
|
28°
|
27°
|
27°
|
27°
|
26°
|
26°
|
25°
|
26°
|
28°
|
29°
|
30°
|
32°
|
33°
|
34°
|
35°
|
36°
|
35°
|
35°
|
34°
|
33°
|
31°
|
30°
|
29°
|
| Feels like temperature (°C) |
31°
|
31°
|
31°
|
30°
|
30°
|
29°
|
29°
|
28°
|
29°
|
30°
|
31°
|
32°
|
33°
|
34°
|
35°
|
37°
|
38°
|
37°
|
36°
|
36°
|
36°
|
34°
|
33°
|
32°
|
| Wind direction and speed (mph) |
NW
3
|
NNW
3
|
N
3
|
NNE
3
|
NNW
3
|
NW
3
|
WNW
3
|
NW
3
|
NNW
3
|
NNE
3
|
NE
4
|
NE
6
|
NE
6
|
NE
6
|
NE
6
|
NE
6
|
N
5
|
NNW
6
|
N
5
|
ESE
4
|
SE
5
|
SE
5
|
E
4
|
W
4
|
| Wind gust (mph) |
6
|
6
|
6
|
7
|
6
|
6
|
6
|
6
|
7
|
10
|
13
|
15
|
16
|
17
|
16
|
15
|
15
|
13
|
12
|
12
|
11
|
10
|
9
|
9
|
| 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 |
75%
|
79%
|
82%
|
82%
|
82%
|
81%
|
82%
|
83%
|
73%
|
68%
|
63%
|
58%
|
53%
|
46%
|
41%
|
39%
|
39%
|
39%
|
40%
|
44%
|
55%
|
63%
|
67%
|
73%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 7 | 10 | 12 | 13 | 13 | 11 | 7 | 4 | 2 | 1 | 1 | - | - | - |
Monday (26 January 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
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
30%
|
20%
|
20%
|
20%
|
20%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
20%
|
50%
|
| Temperature (°C) |
28°
|
27°
|
27°
|
26°
|
25°
|
24°
|
24°
|
24°
|
24°
|
25°
|
26°
|
28°
|
29°
|
31°
|
32°
|
33°
|
33°
|
33°
|
33°
|
32°
|
31°
|
30°
|
| Feels like temperature (°C) |
31°
|
30°
|
30°
|
28°
|
27°
|
26°
|
26°
|
25°
|
26°
|
27°
|
28°
|
29°
|
30°
|
31°
|
32°
|
32°
|
33°
|
33°
|
32°
|
32°
|
30°
|
30°
|
| Wind direction and speed (mph) |
S
4
|
S
4
|
S
4
|
SSE
5
|
SSE
6
|
SSE
6
|
SSE
5
|
S
4
|
S
4
|
SSE
4
|
SE
5
|
SSE
6
|
SSE
8
|
SSE
9
|
SSE
10
|
SSE
11
|
SSE
12
|
SSE
11
|
SSE
11
|
SSE
12
|
SSE
11
|
S
10
|
| Wind gust (mph) |
9
|
9
|
12
|
12
|
14
|
13
|
10
|
9
|
9
|
13
|
16
|
18
|
21
|
23
|
25
|
25
|
24
|
24
|
24
|
23
|
22
|
22
|
| 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 |
75%
|
79%
|
79%
|
79%
|
82%
|
83%
|
84%
|
84%
|
78%
|
75%
|
67%
|
63%
|
55%
|
47%
|
41%
|
40%
|
40%
|
40%
|
40%
|
41%
|
43%
|
51%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 6 | 9 | 12 | 13 | 13 | 11 | 8 | 5 | 2 | 1 | 1 | - |
Tuesday (27 January 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
20%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
| Temperature (°C) |
26°
|
24°
|
23°
|
25°
|
29°
|
33°
|
34°
|
31°
|
| Feels like temperature (°C) |
27°
|
26°
|
25°
|
27°
|
30°
|
34°
|
34°
|
31°
|
| Wind direction and speed (mph) |
S
8
|
S
5
|
SSW
2
|
SE
2
|
SE
5
|
SE
6
|
S
8
|
SSE
8
|
| Wind gust (mph) |
16
|
10
|
7
|
9
|
17
|
18
|
19
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
68%
|
77%
|
85%
|
69%
|
49%
|
39%
|
37%
|
46%
|
| UV | - | - | 1 | 3 | 12 | 11 | 2 | - |
Wednesday (28 January 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
20%
|
10%
|
<5%
|
10%
|
20%
|
40%
|
50%
|
| Temperature (°C) |
28°
|
26°
|
24°
|
27°
|
31°
|
34°
|
34°
|
30°
|
| Feels like temperature (°C) |
30°
|
29°
|
27°
|
29°
|
32°
|
35°
|
34°
|
31°
|
| Wind direction and speed (mph) |
SSW
4
|
SW
2
|
WNW
2
|
SW
3
|
ESE
4
|
SE
7
|
SE
7
|
S
7
|
| Wind gust (mph) |
8
|
6
|
7
|
11
|
16
|
20
|
19
|
17
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
67%
|
78%
|
83%
|
63%
|
44%
|
35%
|
30%
|
53%
|
| UV | - | - | 1 | 3 | 12 | 10 | 2 | - |
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Forecast for 2pm (UTC-3) Thursday
Updated 13:02 (UTC) on Thu 22 Jan 2026
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