S
M
T
W
T
F
S
28
82°
63°
29
92°
74°
30
97°
73°
1
98°
76°
2
98°
74°
3
96°
70°
4
90°
69°
5
87°
68°
6
86°
68°
7
88°
65°
8
85°
73°
9
81°
68°
10
83°
69°
11
83°
68°
12
85°
68°
13
84°
67°
14
85°
68°
15
87°
69°
16
85°
69°
17
88°
70°
18
88°
70°
19
86°
69°
20
86°
69°
21
82°
68°
22
81°
69°
23
88°
70°
24
87°
69°
25
85°
68°
26
83°
69°
27
87°
70°
28
86°
70°
29
85°
69°
30
82°
66°
31
80°
64°
1
80°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Millbury
Millbury's July 2026 forecast shows daily high temperatures ranging from 80° to 98°, with overnight lows between 63° and 76°. The average high for July is 86° with an average low of 69°. 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 Millbury. See also: August | September | October.
