S
M
T
W
T
F
S
28
78°
59°
29
80°
60°
30
77°
59°
1
78°
61°
2
79°
60°
3
84°
64°
4
85°
66°
5
86°
68°
6
86°
68°
7
84°
66°
8
80°
63°
9
79°
63°
10
80°
65°
11
85°
68°
12
86°
66°
13
81°
65°
14
83°
68°
15
87°
68°
16
85°
67°
17
82°
61°
18
81°
63°
19
81°
68°
20
85°
67°
21
87°
68°
22
83°
64°
23
84°
62°
24
85°
66°
25
84°
64°
26
84°
64°
27
81°
61°
28
80°
61°
29
80°
62°
30
81°
63°
31
80°
61°
1
80°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Greenwich
Greenwich's July 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 59° and 68°. The average high for July is 82° with an average low of 64°. 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 Greenwich. See also: August | September | October.
