S
M
T
W
T
F
S
28
81°
65°
29
85°
64°
30
89°
72°
1
94°
78°
2
103°
81°
3
100°
78°
4
95°
75°
5
91°
67°
6
88°
65°
7
85°
64°
8
86°
63°
9
84°
65°
10
85°
65°
11
86°
66°
12
83°
65°
13
85°
64°
14
80°
60°
15
80°
60°
16
81°
61°
17
81°
62°
18
82°
62°
19
82°
65°
20
81°
67°
21
82°
68°
22
87°
68°
23
83°
67°
24
86°
68°
25
88°
68°
26
89°
69°
27
89°
69°
28
88°
68°
29
88°
68°
30
87°
64°
31
81°
62°
1
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Greenhaven
Greenhaven's July 2026 forecast shows daily high temperatures ranging from 80° to 103°, with overnight lows between 60° and 81°. The average high for July is 86° with an average low of 67°. 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 Greenhaven. See also: August | September | October.