S
M
T
W
T
F
S
28
78°
61°
29
85°
61°
30
86°
59°
1
86°
60°
2
82°
59°
3
81°
58°
4
82°
57°
5
83°
63°
6
83°
57°
7
82°
58°
8
81°
56°
9
81°
56°
10
82°
59°
11
82°
62°
12
81°
60°
13
87°
61°
14
85°
61°
15
82°
57°
16
82°
60°
17
83°
61°
18
85°
63°
19
87°
64°
20
85°
63°
21
86°
65°
22
87°
63°
23
88°
64°
24
87°
63°
25
88°
63°
26
88°
58°
27
81°
57°
28
82°
58°
29
82°
57°
30
81°
57°
31
82°
58°
1
81°
58°
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 78° to 88°, with overnight lows between 56° and 65°. The average high for July is 84° with an average low of 60°. 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.
