S
M
T
W
T
F
S
26
103°
76°
27
103°
75°
28
102°
75°
29
101°
76°
30
102°
76°
31
103°
75°
1
102°
75°
2
101°
74°
3
98°
71°
4
98°
73°
5
102°
72°
6
103°
73°
7
104°
74°
8
105°
71°
9
102°
70°
10
99°
76°
11
104°
75°
12
103°
68°
13
102°
67°
14
94°
68°
15
94°
69°
16
95°
68°
17
98°
65°
18
93°
65°
19
93°
69°
20
94°
70°
21
96°
72°
22
100°
72°
23
100°
72°
24
99°
71°
25
98°
70°
26
99°
65°
27
93°
64°
28
91°
65°
29
94°
69°
30
94°
66°
31
90°
65°
1
91°
66°
2
92°
68°
3
93°
69°
4
95°
62°
5
90°
61°
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 90° to 105°, with overnight lows between 61° and 76°. The average high for August is 98° 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.
