S
M
T
W
T
F
S
26
87°
63°
27
86°
66°
28
86°
61°
29
Hist. Avg.
83°
65°
30
Hist. Avg.
83°
65°
31
Hist. Avg.
83°
65°
1
Hist. Avg.
83°
65°
2
Hist. Avg.
83°
65°
3
Hist. Avg.
83°
65°
4
Hist. Avg.
83°
65°
5
Hist. Avg.
82°
65°
6
Hist. Avg.
82°
65°
7
Hist. Avg.
82°
65°
8
Hist. Avg.
82°
64°
9
Hist. Avg.
82°
64°
10
Hist. Avg.
82°
64°
11
Hist. Avg.
82°
64°
12
Hist. Avg.
82°
64°
13
Hist. Avg.
82°
64°
14
Hist. Avg.
82°
64°
15
Hist. Avg.
82°
64°
16
Hist. Avg.
81°
64°
17
Hist. Avg.
81°
64°
18
Hist. Avg.
81°
64°
19
Hist. Avg.
81°
64°
20
Hist. Avg.
81°
63°
21
Hist. Avg.
81°
63°
22
Hist. Avg.
81°
63°
23
Hist. Avg.
80°
63°
24
Hist. Avg.
80°
63°
25
Hist. Avg.
80°
63°
26
Hist. Avg.
80°
62°
27
Hist. Avg.
80°
62°
28
Hist. Avg.
80°
62°
29
Hist. Avg.
79°
62°
30
Hist. Avg.
79°
62°
31
Hist. Avg.
79°
61°
1
Hist. Avg.
79°
61°
2
Hist. Avg.
78°
61°
3
Hist. Avg.
78°
61°
4
Hist. Avg.
78°
60°
5
Hist. Avg.
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Greenwich
Greenwich's August 2026 forecast shows daily high temperatures ranging from 86° to 87°, with overnight lows between 61° and 66°. The average high for August is 86° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Greenwich. See also: September | October | November.
