S
M
T
W
T
F
S
28
92°
79°
29
95°
79°
30
97°
74°
1
94°
73°
2
94°
72°
3
92°
73°
4
94°
78°
5
91°
78°
6
92°
78°
7
90°
78°
8
92°
79°
9
93°
81°
10
92°
79°
11
91°
80°
12
94°
79°
13
93°
77°
14
94°
77°
15
93°
79°
16
92°
77°
17
91°
76°
18
90°
78°
19
90°
78°
20
92°
80°
21
89°
79°
22
88°
78°
23
86°
77°
24
86°
77°
25
87°
76°
26
86°
77°
27
86°
76°
28
86°
76°
29
87°
77°
30
88°
77°
31
88°
79°
1
89°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Upper Grand Lagoon
Upper Grand Lagoon's July 2026 forecast shows daily high temperatures ranging from 86° to 94°, with overnight lows between 76° and 81°. The average high for July is 90° with an average low of 78°. 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 Upper Grand Lagoon. See also: August | September | October.
