S
M
T
W
T
F
S
28
76°
54°
29
74°
56°
30
69°
55°
1
74°
57°
2
71°
53°
3
70°
54°
4
73°
54°
5
69°
53°
6
72°
53°
7
71°
54°
8
66°
50°
9
67°
55°
10
67°
55°
11
68°
54°
12
69°
56°
13
69°
56°
14
68°
54°
15
68°
54°
16
70°
53°
17
72°
56°
18
73°
56°
19
71°
54°
20
72°
56°
21
73°
56°
22
71°
53°
23
72°
56°
24
72°
54°
25
71°
57°
26
74°
58°
27
74°
58°
28
73°
57°
29
74°
57°
30
73°
56°
31
70°
57°
1
71°
56°
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 66° to 76°, with overnight lows between 50° and 58°. The average high for July is 71° with an average low of 55°. 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.
