14 days forecast San Juan
See the weather for the coming 14 days in San Juan.
Friday, May 22 
90%
27° / 33°
2
90%Radiant sunny weather
Total precipitation 0.9 mm
Precipitation chance 30%
UV index 13
Saturday, May 23 90%
27° / 33°
2
90%Radiant sunny weather
Total precipitation 0 mm
Precipitation chance 5%
UV index 13
Sunday, May 24 
85%
27° / 33°
2
85%Sun and chance of a shower
Total precipitation 1.2 mm
Precipitation chance 40%
UV index 13
Monday, May 25 
85%
27° / 33°
2
85%Lots of sun, also cirrus clouds
Total precipitation 0.4 mm
Precipitation chance 10%
UV index 12
Tuesday, May 26 90%
26° / 33°
2
90%Sun and chance of a shower
Total precipitation 2.6 mm
Precipitation chance 75%
UV index 13
Wednesday, May 27 
85%
26° / 33°
2
85%Sun, but also an occasional shower
Total precipitation 4.7 mm
Precipitation chance 85%
UV index 12
Thursday, May 28 
85%
26° / 33°
2
85%Some thunderstorms, also sun
Total precipitation 4.5 mm
Precipitation chance 85%
UV index 12
Friday, May 29 
75%
26° / 32°
2
75%Heavy showers possible
Total precipitation 15.3 mm
Precipitation chance 100%
UV index 10
Saturday, May 30 65%
26° / 32°
2
65%Some thunderstorms, also sun
Total precipitation 9.7 mm
Precipitation chance 95%
UV index 10
Sunday, May 31 55%
26° / 32°
2
55%Some thunderstorms, also sun
Total precipitation 5.7 mm
Precipitation chance 90%
UV index 9
Monday, June 1 
55%
26° / 31°
2
55%Thunderstorms, sometimes sun
Total precipitation 12.1 mm
Precipitation chance 95%
UV index 9
Tuesday, June 2 50%
26° / 31°
2
50%Thunderstorms, sometimes sun
Total precipitation 12.7 mm
Precipitation chance 95%
UV index 8
Wednesday, June 3 45%
26° / 31°
2
45%Some thunderstorms, also sun
Total precipitation 9.8 mm
Precipitation chance 95%
UV index 8
Thursday, June 4 45%
26° / 32°
2
45%Some thunderstorms, also sun
Total precipitation 9.4 mm
Precipitation chance 95%
UV index 8
Friday, June 5 55%
26° / 32°
2
55%Sun, but also an occasional shower
Total precipitation 4.7 mm
Precipitation chance 85%
UV index 8