S
M
T
W
T
F
S
28
70°
57°
29
68°
54°
30
72°
54°
1
73°
57°
2
68°
52°
3
72°
46°
4
73°
63°
5
70°
61°
6
72°
63°
7
75°
61°
8
84°
63°
9
86°
59°
10
81°
57°
11
72°
57°
12
68°
55°
13
66°
54°
14
67°
57°
15
64°
56°
16
66°
57°
17
65°
55°
18
63°
51°
19
68°
52°
20
69°
53°
21
69°
54°
22
72°
56°
23
73°
56°
24
74°
57°
25
74°
56°
26
73°
57°
27
64°
53°
28
65°
54°
29
65°
57°
30
68°
56°
31
66°
56°
1
68°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Thornley
Thornley's July 2026 forecast shows daily high temperatures ranging from 63° to 74°, with overnight lows between 51° and 57°. The average high for July is 68° 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 Thornley. See also: August | September | October.