S
M
T
W
T
F
S
26
100°
70°
27
99°
68°
28
99°
65°
29
101°
68°
30
104°
67°
31
106°
70°
1
106°
70°
2
106°
72°
3
106°
71°
4
106°
72°
5
108°
73°
6
106°
71°
7
106°
70°
8
104°
71°
9
105°
71°
10
100°
69°
11
99°
70°
12
97°
67°
13
99°
71°
14
99°
72°
15
94°
70°
16
97°
70°
17
98°
69°
18
99°
70°
19
98°
71°
20
99°
70°
21
98°
71°
22
99°
71°
23
98°
70°
24
98°
70°
25
97°
69°
26
97°
69°
27
98°
70°
28
98°
69°
29
97°
68°
30
97°
69°
31
96°
69°
1
97°
68°
2
96°
69°
3
96°
68°
4
95°
69°
5
97°
69°
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 108°, with overnight lows between 67° and 73°. 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.
