S
M
T
W
T
F
S
26
97°
77°
27
96°
79°
28
96°
80°
29
97°
82°
30
97°
81°
31
97°
80°
1
103°
79°
2
103°
80°
3
103°
81°
4
101°
80°
5
100°
79°
6
100°
78°
7
99°
77°
8
98°
79°
9
99°
80°
10
100°
80°
11
99°
79°
12
100°
78°
13
98°
79°
14
99°
78°
15
99°
77°
16
98°
79°
17
98°
79°
18
97°
78°
19
98°
78°
20
99°
77°
21
98°
78°
22
98°
78°
23
97°
77°
24
98°
78°
25
98°
78°
26
97°
78°
27
98°
78°
28
97°
78°
29
98°
77°
30
97°
78°
31
97°
77°
1
96°
78°
2
96°
78°
3
95°
76°
4
96°
77°
5
96°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Weslaco
Weslaco's August 2026 forecast shows daily high temperatures ranging from 95° to 103°, with overnight lows between 76° and 81°. The average high for August is 98° with an average low of 78°. 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 Weslaco. See also: September | October | November.
