S
M
T
W
T
F
S
28
83°
70°
29
90°
70°
30
91°
73°
1
97°
74°
2
103°
80°
3
102°
82°
4
101°
76°
5
94°
73°
6
81°
70°
7
78°
69°
8
86°
70°
9
81°
72°
10
87°
74°
11
89°
70°
12
86°
64°
13
86°
66°
14
93°
71°
15
98°
75°
16
92°
71°
17
92°
71°
18
88°
72°
19
88°
71°
20
85°
69°
21
86°
69°
22
84°
70°
23
85°
70°
24
85°
71°
25
84°
70°
26
87°
70°
27
86°
69°
28
87°
73°
29
88°
69°
30
84°
70°
31
85°
70°
1
84°
71°
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 84° to 98°, with overnight lows between 64° and 75°. The average high for July is 87° with an average low of 70°. 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.