S
M
T
W
T
F
S
26
100°
73°
27
101°
74°
28
101°
74°
29
100°
75°
30
101°
74°
31
104°
76°
1
95°
75°
2
100°
67°
3
102°
74°
4
100°
71°
5
98°
76°
6
99°
76°
7
100°
76°
8
100°
75°
9
99°
71°
10
99°
76°
11
98°
76°
12
100°
77°
13
100°
77°
14
99°
74°
15
96°
76°
16
98°
74°
17
98°
73°
18
99°
74°
19
101°
73°
20
100°
74°
21
100°
73°
22
100°
74°
23
98°
73°
24
92°
69°
25
94°
73°
26
95°
72°
27
95°
73°
28
94°
73°
29
95°
72°
30
95°
73°
31
94°
73°
1
94°
72°
2
93°
72°
3
93°
71°
4
92°
70°
5
93°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Forsan
Forsan's August 2026 forecast shows daily high temperatures ranging from 92° to 101°, with overnight lows between 69° and 77°. The average high for August is 96° with an average low of 73°. 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 Forsan. See also: September | October | November.
