S
M
T
W
T
F
S
26
100°
70°
27
99°
68°
28
99°
65°
29
101°
68°
30
102°
70°
31
103°
70°
1
105°
70°
2
108°
71°
3
107°
71°
4
104°
72°
5
106°
71°
6
106°
74°
7
107°
74°
8
110°
76°
9
110°
73°
10
106°
70°
11
102°
70°
12
101°
69°
13
101°
70°
14
99°
71°
15
96°
67°
16
97°
70°
17
96°
69°
18
98°
70°
19
98°
70°
20
97°
69°
21
98°
70°
22
98°
69°
23
97°
70°
24
98°
70°
25
98°
69°
26
97°
70°
27
98°
70°
28
97°
69°
29
98°
69°
30
97°
70°
31
97°
70°
1
94°
69°
2
96°
68°
3
97°
69°
4
96°
69°
5
96°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fresno
Fresno's August 2026 forecast shows daily high temperatures ranging from 94° to 110°, with overnight lows between 67° and 76°. The average high for August is 100° with an average low of 70°. 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 Fresno. See also: September | October | November.
