S
M
T
W
T
F
S
26
98°
71°
27
100°
71°
28
99°
70°
29
100°
71°
30
102°
71°
31
101°
70°
1
95°
69°
2
95°
68°
3
96°
68°
4
97°
69°
5
101°
70°
6
101°
69°
7
102°
68°
8
96°
68°
9
96°
67°
10
97°
64°
11
101°
62°
12
99°
63°
13
96°
62°
14
95°
62°
15
95°
60°
16
97°
62°
17
96°
64°
18
99°
65°
19
99°
61°
20
95°
60°
21
94°
59°
22
94°
59°
23
93°
60°
24
93°
59°
25
94°
59°
26
95°
62°
27
97°
64°
28
100°
66°
29
100°
66°
30
101°
64°
31
100°
62°
1
99°
60°
2
97°
61°
3
96°
61°
4
98°
63°
5
98°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Girvan
Girvan's August 2026 forecast shows daily high temperatures ranging from 93° to 102°, with overnight lows between 59° and 71°. The average high for August is 98° with an average low of 65°. 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 Girvan. See also: September | October | November.