S
M
T
W
T
F
S
26
79°
58°
27
84°
56°
28
85°
57°
29
85°
55°
30
80°
54°
31
81°
53°
1
82°
56°
2
81°
55°
3
79°
53°
4
77°
51°
5
82°
55°
6
84°
54°
7
84°
55°
8
Hist. Avg.
68°
55°
9
Hist. Avg.
68°
56°
10
Hist. Avg.
68°
56°
11
Hist. Avg.
68°
56°
12
Hist. Avg.
68°
56°
13
Hist. Avg.
68°
56°
14
Hist. Avg.
68°
56°
15
Hist. Avg.
68°
56°
16
Hist. Avg.
68°
56°
17
Hist. Avg.
68°
56°
18
Hist. Avg.
68°
55°
19
Hist. Avg.
68°
55°
20
Hist. Avg.
68°
55°
21
Hist. Avg.
68°
55°
22
Hist. Avg.
68°
55°
23
Hist. Avg.
68°
55°
24
Hist. Avg.
68°
55°
25
Hist. Avg.
68°
55°
26
Hist. Avg.
68°
54°
27
Hist. Avg.
68°
54°
28
Hist. Avg.
68°
54°
29
Hist. Avg.
68°
54°
30
Hist. Avg.
68°
54°
31
Hist. Avg.
68°
53°
1
Hist. Avg.
67°
53°
2
Hist. Avg.
67°
53°
3
Hist. Avg.
67°
53°
4
Hist. Avg.
67°
52°
5
Hist. Avg.
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Chelsea
Chelsea's August 2026 forecast shows daily high temperatures ranging from 77° to 85°, with overnight lows between 51° and 58°. The average high for August is 82° with an average low of 55°. 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 Chelsea. See also: September | October | November.
