S
M
T
W
T
F
S
31
85°
79°
1
85°
80°
2
88°
79°
3
89°
78°
4
89°
78°
5
85°
79°
6
86°
80°
7
84°
79°
8
84°
74°
9
85°
77°
10
84°
76°
11
84°
77°
12
85°
77°
13
84°
76°
14
84°
77°
15
85°
77°
16
84°
76°
17
84°
77°
18
85°
77°
19
84°
76°
20
84°
76°
21
84°
77°
22
84°
77°
23
86°
76°
24
85°
77°
25
85°
77°
26
86°
76°
27
85°
78°
28
85°
78°
29
86°
77°
30
85°
77°
1
85°
78°
2
86°
77°
3
85°
78°
4
85°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Greenwich
Greenwich's June 2026 forecast shows daily high temperatures ranging from 84° to 89°, with overnight lows between 74° and 80°. The average high for June is 85° with an average low of 77°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Greenwich. See also: July | August | September.
