S
M
T
W
T
F
S
28
67°
49°
29
68°
54°
30
69°
53°
1
68°
52°
2
69°
54°
3
68°
51°
4
68°
50°
5
69°
52°
6
69°
52°
7
72°
54°
8
69°
56°
9
70°
54°
10
69°
52°
11
69°
55°
12
71°
55°
13
75°
56°
14
76°
53°
15
76°
55°
16
75°
56°
17
76°
57°
18
77°
56°
19
77°
56°
20
76°
55°
21
75°
56°
22
75°
56°
23
74°
57°
24
76°
56°
25
77°
56°
26
75°
55°
27
76°
56°
28
77°
55°
29
77°
56°
30
76°
56°
31
75°
55°
1
76°
56°
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 77°, with overnight lows between 49° and 57°. The average high for July is 73° with an average low of 54°. 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.
