S
M
T
W
T
F
S
26
97°
61°
27
97°
60°
28
96°
62°
29
98°
62°
30
97°
61°
31
98°
62°
1
98°
61°
2
97°
60°
3
95°
60°
4
94°
61°
5
96°
61°
6
97°
60°
7
96°
61°
8
97°
61°
9
96°
59°
10
97°
60°
11
96°
59°
12
98°
59°
13
96°
58°
14
97°
60°
15
96°
59°
16
Hist. Avg.
97°
70°
17
Hist. Avg.
97°
70°
18
Hist. Avg.
97°
70°
19
Hist. Avg.
97°
70°
20
Hist. Avg.
96°
70°
21
Hist. Avg.
96°
70°
22
Hist. Avg.
96°
69°
23
Hist. Avg.
96°
69°
24
Hist. Avg.
96°
69°
25
Hist. Avg.
96°
69°
26
Hist. Avg.
96°
69°
27
Hist. Avg.
96°
69°
28
Hist. Avg.
95°
69°
29
Hist. Avg.
95°
68°
30
Hist. Avg.
95°
68°
31
Hist. Avg.
95°
68°
1
Hist. Avg.
95°
68°
2
Hist. Avg.
95°
68°
3
Hist. Avg.
94°
68°
4
Hist. Avg.
94°
68°
5
Hist. Avg.
94°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Grapevine
Grapevine's August 2026 forecast shows daily high temperatures ranging from 94° to 98°, with overnight lows between 58° and 62°. The average high for August is 97° with an average low of 60°. 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 Grapevine. See also: September | October | November.
