S
M
T
W
T
F
S
28
89°
75°
29
88°
74°
30
88°
76°
1
89°
75°
2
88°
76°
3
88°
77°
4
89°
76°
5
88°
76°
6
88°
74°
7
89°
77°
8
89°
76°
9
88°
74°
10
89°
75°
11
88°
74°
12
89°
74°
13
88°
75°
14
88°
74°
15
88°
74°
16
Hist. Avg.
88°
76°
17
Hist. Avg.
88°
76°
18
Hist. Avg.
88°
76°
19
Hist. Avg.
88°
76°
20
Hist. Avg.
88°
76°
21
Hist. Avg.
88°
76°
22
Hist. Avg.
88°
76°
23
Hist. Avg.
88°
76°
24
Hist. Avg.
88°
76°
25
Hist. Avg.
88°
76°
26
Hist. Avg.
88°
76°
27
Hist. Avg.
88°
76°
28
Hist. Avg.
88°
76°
29
Hist. Avg.
89°
76°
30
Hist. Avg.
89°
76°
31
Hist. Avg.
89°
76°
1
Hist. Avg.
89°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in El Viejo San Juan
El Viejo San Juan's July 2026 forecast shows daily high temperatures ranging from 88° to 89°, with overnight lows between 74° and 77°. The average high for July is 88° with an average low of 75°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in El Viejo San Juan. See also: August | September | October.
