S
M
T
W
T
F
S
28
82°
71°
29
87°
69°
30
86°
72°
1
91°
75°
2
98°
78°
3
99°
79°
4
99°
75°
5
91°
73°
6
86°
74°
7
81°
71°
8
83°
72°
9
86°
70°
10
88°
70°
11
85°
68°
12
86°
63°
13
84°
65°
14
90°
71°
15
97°
72°
16
92°
71°
17
89°
72°
18
92°
72°
19
87°
70°
20
86°
69°
21
87°
70°
22
88°
66°
23
83°
66°
24
89°
70°
25
86°
68°
26
83°
69°
27
88°
71°
28
88°
71°
29
87°
70°
30
87°
71°
31
84°
70°
1
83°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Chelsea
Chelsea's July 2026 forecast shows daily high temperatures ranging from 83° to 97°, with overnight lows between 63° and 72°. The average high for July is 87° with an average low of 69°. 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 Chelsea. See also: August | September | October.