S
M
T
W
T
F
S
28
80°
55°
29
94°
71°
30
92°
74°
1
85°
69°
2
75°
64°
3
84°
62°
4
86°
63°
5
84°
59°
6
87°
55°
7
87°
68°
8
88°
66°
9
81°
57°
10
83°
60°
11
85°
64°
12
88°
63°
13
91°
63°
14
89°
63°
15
86°
58°
16
80°
60°
17
83°
60°
18
84°
59°
19
83°
58°
20
80°
57°
21
76°
56°
22
78°
61°
23
79°
61°
24
79°
59°
25
80°
60°
26
80°
57°
27
78°
61°
28
83°
62°
29
83°
62°
30
82°
61°
31
83°
62°
1
84°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Merrillan
Merrillan's July 2026 forecast shows daily high temperatures ranging from 76° to 91°, with overnight lows between 56° and 68°. The average high for July is 83° with an average low of 61°. 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 Merrillan. See also: August | September | October.
