S
M
T
W
T
F
S
26
77°
58°
27
77°
58°
28
76°
57°
29
76°
58°
30
77°
57°
31
74°
57°
1
76°
54°
2
71°
54°
3
74°
57°
4
74°
57°
5
73°
56°
6
74°
56°
7
73°
52°
8
72°
51°
9
73°
51°
10
72°
56°
11
73°
55°
12
73°
51°
13
72°
50°
14
72°
56°
15
72°
50°
16
71°
53°
17
71°
51°
18
72°
53°
19
71°
51°
20
72°
50°
21
71°
55°
22
70°
52°
23
70°
50°
24
72°
49°
25
70°
49°
26
70°
50°
27
71°
54°
28
71°
54°
29
73°
53°
30
74°
53°
31
74°
52°
1
73°
53°
2
73°
52°
3
71°
51°
4
72°
52°
5
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Halstead
Halstead's August 2026 forecast shows daily high temperatures ranging from 70° to 77°, with overnight lows between 49° and 58°. The average high for August is 73° with an average low of 53°. 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 Halstead. See also: September | October | November.