S
M
T
W
T
F
S
26
86°
70°
27
85°
70°
28
86°
62°
29
82°
60°
30
81°
61°
31
85°
64°
1
82°
61°
2
84°
60°
3
84°
61°
4
87°
65°
5
87°
64°
6
85°
63°
7
84°
62°
8
84°
66°
9
83°
65°
10
85°
66°
11
82°
65°
12
83°
66°
13
83°
65°
14
79°
62°
15
80°
65°
16
83°
65°
17
80°
64°
18
80°
63°
19
81°
65°
20
83°
64°
21
81°
63°
22
82°
64°
23
86°
65°
24
86°
64°
25
82°
63°
26
85°
67°
27
87°
67°
28
86°
66°
29
86°
65°
30
83°
63°
31
77°
58°
1
76°
57°
2
76°
58°
3
79°
62°
4
83°
63°
5
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Celina
Celina's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 57° and 70°. The average high for August is 83° with an average low of 64°. 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 Celina. See also: September | October | November.
