14 days forecast San Juan
See the weather for the coming 14 days in San Juan.
Thursday, May 8 
55%
27° / 31°
2
55%Sun and chance of a shower
Total precipitation 2 mm
Precipitation chance 65%
UV index 14
Friday, May 9 85%
27° / 32°
2
85%Sun and chance of a shower
Total precipitation 1.2 mm
Precipitation chance 40%
UV index 13
Saturday, May 10 
90%
26° / 32°
2
90%Some thunderstorms, also sun
Total precipitation 2.5 mm
Precipitation chance 70%
UV index 13
Sunday, May 11 
90%
26° / 32°
2
90%Sun, but also an occasional shower
Total precipitation 5.9 mm
Precipitation chance 90%
UV index 13
Monday, May 12 90%
26° / 32°
2
90%Sun, but also an occasional shower
Total precipitation 6.4 mm
Precipitation chance 90%
UV index 12
Tuesday, May 13 85%
26° / 32°
2
85%Sun, but also an occasional shower
Total precipitation 4.4 mm
Precipitation chance 85%
UV index 12
Wednesday, May 14 90%
26° / 32°
2
90%Sun, but also an occasional shower
Total precipitation 5.1 mm
Precipitation chance 90%
UV index 13
Thursday, May 15 75%
26° / 32°
2
75%Sun, but also an occasional shower
Total precipitation 4.4 mm
Precipitation chance 85%
UV index 12
Friday, May 16 
65%
26° / 31°
2
65%Heavy showers possible
Total precipitation 16.3 mm
Precipitation chance 100%
UV index 10
Saturday, May 17 60%
26° / 31°
2
60%Heavy showers possible
Total precipitation 15.2 mm
Precipitation chance 100%
UV index 9
Sunday, May 18 55%
26° / 31°
2
55%Heavy showers possible
Total precipitation 10.1 mm
Precipitation chance 95%
UV index 9
Monday, May 19 60%
26° / 31°
2
60%Sun, but also an occasional shower
Total precipitation 8.9 mm
Precipitation chance 95%
UV index 9
Tuesday, May 20 55%
26° / 31°
2
55%Some thunderstorms, also sun
Total precipitation 8.3 mm
Precipitation chance 95%
UV index 8
Wednesday, May 21 65%
26° / 32°
2
65%Some thunderstorms, also sun
Total precipitation 7.2 mm
Precipitation chance 90%
UV index 10
Thursday, May 22 60%
26° / 32°
2
60%Some thunderstorms, also sun
Total precipitation 7.1 mm
Precipitation chance 90%
UV index 9