S
M
T
W
T
F
S
26
93°
75°
27
97°
69°
28
91°
68°
29
92°
70°
30
95°
72°
31
97°
74°
1
96°
73°
2
98°
75°
3
98°
69°
4
97°
69°
5
91°
70°
6
91°
68°
7
92°
69°
8
92°
69°
9
94°
72°
10
95°
74°
11
97°
75°
12
97°
74°
13
96°
75°
14
98°
71°
15
97°
71°
16
93°
74°
17
97°
71°
18
96°
71°
19
97°
69°
20
91°
66°
21
90°
70°
22
94°
71°
23
95°
72°
24
95°
71°
25
91°
72°
26
94°
71°
27
95°
71°
28
95°
70°
29
94°
71°
30
95°
70°
31
94°
70°
1
94°
71°
2
93°
70°
3
94°
69°
4
93°
69°
5
92°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Vivian
Vivian's August 2026 forecast shows daily high temperatures ranging from 90° to 98°, with overnight lows between 66° and 75°. 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 Vivian. See also: September | October | November.