14 days forecast San Juan
See the weather for the coming 14 days in San Juan.
Friday, July 3 
75%
26° / 32°
2
75%Sun and chance of a shower
Total precipitation 1.4 mm
Precipitation chance 50%
UV index 11
Saturday, July 4 
90%
26° / 32°
2
90%Radiant sunny weather
Total precipitation 0.4 mm
Precipitation chance 10%
UV index 13
Sunday, July 5 90%
26° / 33°
2
90%Sun and chance of a shower
Total precipitation 2.4 mm
Precipitation chance 70%
UV index 12
Monday, July 6 90%
26° / 32°
2
90%Sun and chance of a shower
Total precipitation 2.8 mm
Precipitation chance 75%
UV index 11
Tuesday, July 7 
80%
26° / 33°
2
80%Some thunderstorms, also sun
Total precipitation 4.8 mm
Precipitation chance 85%
UV index 11
Wednesday, July 8 
50%
27° / 32°
2
50%Thunderstorms, sometimes sun
Total precipitation 12 mm
Precipitation chance 95%
UV index 8
Thursday, July 9 
15%
27° / 30°
3
15%Grey and some period of rain
Total precipitation 15.7 mm
Precipitation chance 100%
UV index 5
Friday, July 10 15%
27° / 30°
3
15%Grey and some period of rain
Total precipitation 12.1 mm
Precipitation chance 95%
UV index 5
Saturday, July 11 
35%
27° / 31°
2
35%Sun, but also an occasional shower
Total precipitation 5.6 mm
Precipitation chance 90%
UV index 7
Sunday, July 12 50%
28° / 31°
2
50%Some thunderstorms, also sun
Total precipitation 8.9 mm
Precipitation chance 95%
UV index 8
Monday, July 13 30%
27° / 31°
2
30%Thunderstorms, sometimes sun
Total precipitation 11.2 mm
Precipitation chance 95%
UV index 5
Tuesday, July 14 35%
27° / 31°
2
35%Thunderstorms, sometimes sun
Total precipitation 16.7 mm
Precipitation chance 100%
UV index 6
Wednesday, July 15 45%
27° / 32°
2
45%Some thunderstorms, also sun
Total precipitation 7.4 mm
Precipitation chance 95%
UV index 8
Thursday, July 16 55%
27° / 32°
2
55%Some thunderstorms, also sun
Total precipitation 6.2 mm
Precipitation chance 90%
UV index 8
Friday, July 17 50%
27° / 32°
2
50%Sun, but also an occasional shower
Total precipitation 4.5 mm
Precipitation chance 85%
UV index 8