S
M
T
W
T
F
S
28
77°
65°
29
86°
65°
30
89°
69°
1
93°
68°
2
96°
63°
3
95°
68°
4
92°
67°
5
90°
67°
6
83°
68°
7
86°
65°
8
81°
64°
9
84°
65°
10
87°
67°
11
84°
65°
12
85°
63°
13
81°
64°
14
83°
65°
15
85°
66°
16
86°
69°
17
83°
60°
18
83°
62°
19
84°
64°
20
84°
64°
21
79°
63°
22
81°
63°
23
82°
64°
24
84°
64°
25
84°
63°
26
83°
64°
27
84°
64°
28
83°
63°
29
84°
64°
30
84°
65°
31
84°
65°
1
83°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Merrimac
Merrimac's July 2026 forecast shows daily high temperatures ranging from 79° to 95°, with overnight lows between 60° and 69°. The average high for July is 84° with an average low of 65°. 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 Merrimac. See also: August | September | October.
