S
M
T
W
T
F
S
28
77°
52°
29
78°
50°
30
79°
52°
1
83°
53°
2
84°
54°
3
88°
56°
4
90°
57°
5
89°
56°
6
91°
54°
7
90°
56°
8
91°
57°
9
91°
55°
10
88°
53°
11
88°
54°
12
91°
56°
13
91°
57°
14
90°
57°
15
90°
56°
16
91°
56°
17
91°
57°
18
92°
58°
19
93°
59°
20
93°
59°
21
92°
58°
22
93°
60°
23
94°
59°
24
93°
59°
25
93°
58°
26
91°
59°
27
90°
58°
28
89°
56°
29
88°
54°
30
89°
57°
31
89°
55°
1
88°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Potrero
Potrero's July 2026 forecast shows daily high temperatures ranging from 77° to 94°, with overnight lows between 50° and 60°. The average high for July is 89° with an average low of 56°. 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 Potrero. See also: August | September | October.