14 days forecast San Juan
See the weather for the coming 14 days in San Juan.
Saturday, May 16 
55%
26° / 32°
2
55%Cirrus clouds, also still sun
Total precipitation 0 mm
Precipitation chance 5%
UV index 13
Sunday, May 17 
85%
26° / 32°
2
85%Lots of sun, also cirrus clouds
Total precipitation 0 mm
Precipitation chance 5%
UV index 13
Monday, May 18 
90%
26° / 32°
2
90%Radiant sunny weather
Total precipitation 0 mm
Precipitation chance 0%
UV index 13
Tuesday, May 19 90%
26° / 33°
2
90%Radiant sunny weather
Total precipitation 0.4 mm
Precipitation chance 10%
UV index 13
Wednesday, May 20 90%
26° / 33°
2
90%Radiant sunny weather
Total precipitation 0.9 mm
Precipitation chance 30%
UV index 12
Thursday, May 21 
90%
26° / 33°
2
90%Sun and chance of a shower
Total precipitation 1.7 mm
Precipitation chance 55%
UV index 12
Friday, May 22 90%
26° / 32°
2
90%Sun and chance of a shower
Total precipitation 1.4 mm
Precipitation chance 45%
UV index 12
Saturday, May 23 85%
26° / 33°
2
85%Sun and chance of a shower
Total precipitation 1.6 mm
Precipitation chance 55%
UV index 12
Sunday, May 24 75%
26° / 32°
2
75%Sun and chance of a shower
Total precipitation 2.5 mm
Precipitation chance 70%
UV index 11
Monday, May 25 75%
26° / 32°
2
75%Sun and chance of a shower
Total precipitation 3 mm
Precipitation chance 75%
UV index 11
Tuesday, May 26 
75%
26° / 32°
2
75%Sun, but also an occasional shower
Total precipitation 3.1 mm
Precipitation chance 80%
UV index 11
Wednesday, May 27 75%
26° / 32°
2
75%Sun, but also an occasional shower
Total precipitation 3.6 mm
Precipitation chance 80%
UV index 11
Thursday, May 28 
70%
26° / 32°
2
70%Some thunderstorms, also sun
Total precipitation 5.2 mm
Precipitation chance 90%
UV index 10
Friday, May 29 70%
26° / 32°
2
70%Some thunderstorms, also sun
Total precipitation 6.6 mm
Precipitation chance 90%
UV index 10
Saturday, May 30 65%
26° / 32°
2
65%Some thunderstorms, also sun
Total precipitation 7.5 mm
Precipitation chance 95%
UV index 9