S
M
T
W
T
F
S
26
81°
63°
27
83°
64°
28
82°
63°
29
79°
63°
30
80°
62°
31
83°
64°
1
83°
64°
2
82°
63°
3
85°
64°
4
84°
63°
5
84°
57°
6
77°
59°
7
79°
60°
8
77°
56°
9
78°
56°
10
76°
55°
11
76°
61°
12
83°
62°
13
83°
59°
14
79°
55°
15
75°
53°
16
76°
58°
17
78°
61°
18
75°
54°
19
75°
53°
20
76°
53°
21
77°
54°
22
80°
60°
23
82°
58°
24
82°
58°
25
80°
59°
26
81°
60°
27
82°
59°
28
81°
56°
29
80°
60°
30
81°
52°
31
75°
50°
1
73°
49°
2
72°
50°
3
72°
49°
4
73°
50°
5
71°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Whitesboro
Whitesboro's August 2026 forecast shows daily high temperatures ranging from 71° to 85°, with overnight lows between 49° and 64°. The average high for August is 79° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Whitesboro. See also: September | October | November.