14 days forecast San Juan
See the weather for the coming 14 days in San Juan.
Tuesday, December 16 
40%
26° / 29°
2
40%Cloudburst possible
Total precipitation 39.4 mm
Precipitation chance 100%
UV index 7
Wednesday, December 17 
0%
25° / 28°
2
0%Cloudy and a chance of thunderstorms
Total precipitation 78.4 mm
Precipitation chance 100%
UV index 1
Thursday, December 18 
20%
25° / 28°
2
20%Grey and heavy rainfall
Total precipitation 37.7 mm
Precipitation chance 100%
UV index 5
Friday, December 19 
15%
25° / 28°
2
15%Grey and some period of rain
Total precipitation 23.7 mm
Precipitation chance 100%
UV index 3
Saturday, December 20 
35%
26° / 28°
2
35%Heavy showers possible
Total precipitation 16.1 mm
Precipitation chance 100%
UV index 4
Sunday, December 21 50%
26° / 29°
2
50%Heavy showers possible
Total precipitation 12 mm
Precipitation chance 95%
UV index 5
Monday, December 22 55%
26° / 29°
2
55%Heavy showers possible
Total precipitation 15 mm
Precipitation chance 100%
UV index 5
Tuesday, December 23 
60%
26° / 29°
2
60%Sun, but also an occasional shower
Total precipitation 10 mm
Precipitation chance 95%
UV index 5
Wednesday, December 24 50%
26° / 29°
2
50%Sun, but also an occasional shower
Total precipitation 8.5 mm
Precipitation chance 95%
UV index 5
Thursday, December 25 55%
25° / 29°
2
55%Heavy showers possible
Total precipitation 12.2 mm
Precipitation chance 95%
UV index 5
Friday, December 26 50%
25° / 28°
2
50%Heavy showers possible
Total precipitation 17.2 mm
Precipitation chance 100%
UV index 4
Saturday, December 27 50%
25° / 28°
2
50%Heavy showers possible
Total precipitation 10.5 mm
Precipitation chance 95%
UV index 5
Sunday, December 28 60%
25° / 28°
2
60%Sun, but also an occasional shower
Total precipitation 9.2 mm
Precipitation chance 95%
UV index 5
Monday, December 29 70%
25° / 29°
2
70%Sun, but also an occasional shower
Total precipitation 7 mm
Precipitation chance 90%
UV index 6
Tuesday, December 30 50%
25° / 28°
2
50%Sun, but also an occasional shower
Total precipitation 6.2 mm
Precipitation chance 90%
UV index 4