S
M
T
W
T
F
S
28
85°
62°
29
88°
64°
30
89°
65°
1
94°
68°
2
99°
74°
3
99°
78°
4
93°
73°
5
81°
70°
6
69°
61°
7
67°
59°
8
85°
60°
9
89°
67°
10
87°
71°
11
88°
61°
12
85°
61°
13
85°
65°
14
96°
72°
15
95°
67°
16
89°
64°
17
88°
65°
18
85°
64°
19
84°
65°
20
85°
62°
21
79°
61°
22
81°
64°
23
80°
65°
24
85°
63°
25
80°
61°
26
79°
64°
27
80°
61°
28
79°
66°
29
81°
63°
30
78°
62°
31
79°
65°
1
79°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in New Britain
New Britain's July 2026 forecast shows daily high temperatures ranging from 78° to 96°, with overnight lows between 61° and 72°. The average high for July is 84° with an average low of 64°. 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 New Britain. See also: August | September | October.