S
M
T
W
T
F
S
26
95°
73°
27
97°
74°
28
97°
75°
29
96°
75°
30
97°
74°
31
97°
75°
1
96°
74°
2
97°
75°
3
97°
76°
4
98°
75°
5
98°
76°
6
97°
76°
7
98°
75°
8
98°
75°
9
97°
74°
10
97°
74°
11
96°
75°
12
98°
75°
13
98°
74°
14
97°
75°
15
98°
74°
16
97°
72°
17
94°
69°
18
94°
68°
19
94°
69°
20
93°
68°
21
91°
69°
22
90°
68°
23
89°
65°
24
89°
65°
25
90°
66°
26
89°
64°
27
89°
63°
28
88°
62°
29
89°
63°
30
92°
63°
31
93°
69°
1
94°
67°
2
93°
66°
3
93°
67°
4
94°
69°
5
93°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lavaca
Lavaca's August 2026 forecast shows daily high temperatures ranging from 88° to 98°, with overnight lows between 62° and 76°. The average high for August is 94° with an average low of 71°. 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 Lavaca. See also: September | October | November.
