S
M
T
W
T
F
S
26
90°
72°
27
90°
72°
28
89°
71°
29
85°
69°
30
87°
72°
31
90°
72°
1
88°
71°
2
91°
72°
3
91°
72°
4
90°
71°
5
91°
70°
6
91°
71°
7
90°
72°
8
91°
72°
9
92°
71°
10
92°
70°
11
89°
69°
12
90°
70°
13
90°
70°
14
86°
65°
15
84°
63°
16
83°
63°
17
84°
66°
18
85°
66°
19
85°
68°
20
89°
68°
21
85°
67°
22
86°
68°
23
89°
67°
24
90°
66°
25
87°
67°
26
86°
67°
27
84°
66°
28
85°
65°
29
88°
64°
30
86°
66°
31
85°
66°
1
84°
65°
2
85°
66°
3
82°
59°
4
82°
57°
5
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Calistia
Calistia's August 2026 forecast shows daily high temperatures ranging from 80° to 92°, with overnight lows between 57° and 72°. The average high for August is 87° with an average low of 68°. 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 Calistia. See also: September | October | November.