S
M
T
W
T
F
S
26
100°
73°
27
101°
74°
28
101°
75°
29
100°
75°
30
101°
75°
31
103°
78°
1
86°
82°
2
98°
76°
3
100°
75°
4
101°
76°
5
102°
81°
6
100°
81°
7
101°
79°
8
102°
80°
9
101°
76°
10
100°
79°
11
100°
77°
12
101°
77°
13
101°
76°
14
99°
78°
15
102°
76°
16
103°
75°
17
103°
77°
18
104°
78°
19
104°
77°
20
103°
77°
21
104°
78°
22
102°
76°
23
103°
77°
24
95°
72°
25
98°
77°
26
97°
76°
27
98°
77°
28
98°
77°
29
97°
76°
30
97°
76°
31
96°
75°
1
97°
75°
2
96°
74°
3
96°
75°
4
95°
75°
5
96°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Forney
Forney's August 2026 forecast shows daily high temperatures ranging from 95° to 104°, with overnight lows between 72° and 78°. The average high for August is 99° with an average low of 76°. 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 Forney. See also: September | October | November.