S
M
T
W
T
F
S
28
73°
53°
29
76°
59°
30
74°
56°
1
76°
59°
2
73°
53°
3
75°
56°
4
77°
56°
5
75°
56°
6
82°
60°
7
84°
61°
8
83°
60°
9
79°
57°
10
80°
60°
11
71°
55°
12
73°
57°
13
72°
56°
14
69°
56°
15
69°
53°
16
67°
56°
17
71°
56°
18
71°
54°
19
68°
54°
20
67°
54°
21
72°
57°
22
72°
57°
23
71°
56°
24
73°
58°
25
72°
57°
26
73°
56°
27
73°
56°
28
72°
58°
29
74°
58°
30
75°
57°
31
76°
60°
1
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Ancaster
Ancaster's July 2026 forecast shows daily high temperatures ranging from 67° to 84°, with overnight lows between 53° and 61°. The average high for July is 74° with an average low of 57°. 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 Ancaster. See also: August | September | October.
