San Juan, Puerto Rico

48 Hour Forecast
Updated:   2025-08-22 @ 9:10 am

There are 2 regional alerts

Time Temp   Conditions Precip Humidity Wind

Friday Aug 22

9:00 AM 86° F Isolated Rain Showers   20%   73%   ENE 12 mph

10:00 AM 87° F Isolated Rain Showers   20%   73%   ENE 13 mph

11:00 AM 87° F Isolated Rain Showers   20%   74%   ENE 13 mph

12:00 PM 87° F Isolated Rain Showers   20%   74%   NE 13 mph

1:00 PM 87° F Isolated Rain Showers   20%   75%   NE 13 mph

2:00 PM 87° F Scattered Rain Showers   40%   76%   NE 12 mph

3:00 PM 86° F Scattered Rain Showers   40%   78%   NE 12 mph

4:00 PM 84° F Scattered Rain Showers   40%   82%   NE 10 mph

5:00 PM 83° F Chance Showers And Thunderstorms   60%   86%   NE 9 mph

6:00 PM 82° F Chance Showers And Thunderstorms   60%   89%   ENE 8 mph

7:00 PM 81° F Chance Showers And Thunderstorms   60%   90%   ENE 7 mph

8:00 PM 80° F Chance Showers And Thunderstorms   60%   91%   ENE 7 mph

9:00 PM 80° F Chance Showers And Thunderstorms   60%   91%   E 7 mph

10:00 PM 80° F Chance Showers And Thunderstorms   60%   91%   E 7 mph

11:00 PM 79° F Chance Showers And Thunderstorms   60%   93%   E 7 mph

Saturday Aug 23

12:00 AM 79° F Chance Showers And Thunderstorms   60%   94%   ESE 7 mph

1:00 AM 79° F Chance Showers And Thunderstorms   60%   95%   ESE 6 mph

2:00 AM 78° F Scattered Rain Showers   50%   95%   ESE 6 mph

3:00 AM 78° F Scattered Rain Showers   50%   94%   SE 6 mph

4:00 AM 79° F Scattered Rain Showers   50%   91%   SE 6 mph

5:00 AM 81° F Scattered Rain Showers   50%   87%   SE 7 mph

6:00 AM 82° F Scattered Rain Showers   50%   83%   ESE 7 mph

7:00 AM 84° F Scattered Rain Showers   50%   81%   ESE 8 mph

8:00 AM 85° F Scattered Rain Showers   40%   78%   ESE 8 mph

9:00 AM 86° F Scattered Rain Showers   40%   77%   ESE 8 mph

10:00 AM 86° F Scattered Rain Showers   40%   76%   E 8 mph

11:00 AM 87° F Chance Showers And Thunderstorms   60%   76%   ESE 9 mph

12:00 PM 87° F Chance Showers And Thunderstorms   60%   75%   ESE 12 mph

1:00 PM 87° F Chance Showers And Thunderstorms   60%   75%   ESE 12 mph

2:00 PM 87° F Chance Showers And Thunderstorms   70%   76%   ESE 12 mph

3:00 PM 86° F Chance Showers And Thunderstorms   70%   78%   ESE 12 mph

4:00 PM 84° F Chance Showers And Thunderstorms   70%   82%   ESE 10 mph

5:00 PM 83° F Scattered Rain Showers   40%   85%   ESE 9 mph

6:00 PM 82° F Scattered Rain Showers   40%   87%   SE 8 mph

7:00 PM 81° F Scattered Rain Showers   40%   88%   SE 7 mph

8:00 PM 80° F Scattered Rain Showers   30%   89%   SE 7 mph

9:00 PM 80° F Scattered Rain Showers   30%   91%   SE 6 mph

10:00 PM 80° F Scattered Rain Showers   30%   91%   SE 6 mph

11:00 PM 79° F Isolated Rain Showers   20%   92%   SE 6 mph

Sunday Aug 24

12:00 AM 79° F Isolated Rain Showers   20%   92%   SE 6 mph

1:00 AM 79° F Isolated Rain Showers   20%   92%   SE 6 mph

2:00 AM 78° F Scattered Rain Showers   30%   93%   SE 6 mph

3:00 AM 78° F Scattered Rain Showers   30%   94%   SE 6 mph

4:00 AM 79° F Scattered Rain Showers   30%   91%   SE 5 mph

5:00 AM 82° F Haze   20%   85%   ESE 6 mph

6:00 AM 84° F Haze   20%   80%   ESE 6 mph

7:00 AM 87° F Haze   20%   75%   ESE 7 mph

8:00 AM 89° F Haze   20%   71%   ESE 9 mph