S
M
T
W
T
F
S
28
84°
63°
29
86°
58°
30
90°
56°
1
95°
71°
2
98°
74°
3
98°
78°
4
92°
71°
5
85°
65°
6
77°
66°
7
67°
57°
8
85°
63°
9
92°
71°
10
90°
64°
11
85°
58°
12
84°
60°
13
87°
65°
14
89°
66°
15
91°
65°
16
92°
60°
17
84°
63°
18
85°
60°
19
84°
62°
20
83°
60°
21
80°
59°
22
81°
59°
23
80°
60°
24
80°
59°
25
83°
62°
26
82°
64°
27
85°
65°
28
87°
65°
29
87°
64°
30
86°
65°
31
83°
65°
1
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Chelmsford
Chelmsford's July 2026 forecast shows daily high temperatures ranging from 67° to 92°, with overnight lows between 57° and 71°. The average high for July is 84° 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 July weather will actually feel in Chelmsford. See also: August | September | October.
