S
M
T
W
T
F
S
26
93°
75°
27
93°
76°
28
92°
75°
29
92°
75°
30
91°
76°
31
91°
75°
1
93°
76°
2
92°
75°
3
91°
74°
4
92°
75°
5
91°
75°
6
90°
76°
7
91°
75°
8
92°
74°
9
94°
75°
10
93°
75°
11
94°
76°
12
93°
75°
13
93°
75°
14
92°
76°
15
93°
75°
16
93°
75°
17
92°
76°
18
93°
76°
19
92°
76°
20
91°
76°
21
90°
74°
22
91°
75°
23
90°
74°
24
91°
75°
25
91°
75°
26
90°
74°
27
Hist. Avg.
91°
75°
28
Hist. Avg.
91°
75°
29
Hist. Avg.
91°
75°
30
Hist. Avg.
91°
75°
31
Hist. Avg.
91°
75°
1
Hist. Avg.
91°
75°
2
Hist. Avg.
91°
75°
3
Hist. Avg.
91°
75°
4
Hist. Avg.
91°
75°
5
Hist. Avg.
91°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Callahan
Callahan's August 2026 forecast shows daily high temperatures ranging from 90° to 94°, with overnight lows between 74° and 76°. The average high for August is 92° with an average low of 75°. 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 Callahan. See also: September | October | November.
