S
M
T
W
T
F
S
28
81°
68°
29
86°
63°
30
86°
66°
1
86°
69°
2
101°
73°
3
102°
79°
4
99°
75°
5
83°
69°
6
73°
68°
7
75°
67°
8
80°
71°
9
84°
70°
10
86°
70°
11
82°
67°
12
78°
68°
13
83°
67°
14
79°
66°
15
81°
69°
16
84°
70°
17
85°
66°
18
79°
66°
19
84°
68°
20
79°
64°
21
78°
64°
22
78°
65°
23
80°
65°
24
82°
66°
25
82°
67°
26
84°
68°
27
84°
71°
28
85°
71°
29
85°
70°
30
84°
71°
31
84°
71°
1
83°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Merrick
Merrick's July 2026 forecast shows daily high temperatures ranging from 73° to 99°, with overnight lows between 64° and 75°. The average high for July is 82° with an average low of 68°. 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 Merrick. See also: August | September | October.