S
M
T
W
T
F
S
26
89°
53°
27
92°
54°
28
91°
50°
29
92°
49°
30
90°
50°
31
85°
47°
1
84°
47°
2
86°
45°
3
84°
46°
4
84°
45°
5
85°
46°
6
85°
47°
7
84°
46°
8
85°
45°
9
84°
49°
10
87°
51°
11
86°
48°
12
86°
46°
13
83°
45°
14
83°
44°
15
82°
43°
16
81°
43°
17
82°
45°
18
84°
47°
19
86°
48°
20
87°
50°
21
88°
50°
22
88°
48°
23
85°
49°
24
86°
50°
25
82°
51°
26
83°
47°
27
82°
47°
28
81°
40°
29
79°
41°
30
78°
40°
31
80°
40°
1
80°
39°
2
83°
43°
3
84°
41°
4
84°
46°
5
86°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Thatcher
Thatcher's August 2026 forecast shows daily high temperatures ranging from 78° to 92°, with overnight lows between 39° and 54°. The average high for August is 85° with an average low of 46°. 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 Thatcher. See also: September | October | November.