S
M
T
W
T
F
S
26
67°
50°
27
70°
46°
28
69°
45°
29
71°
48°
30
71°
48°
31
70°
50°
1
69°
51°
2
70°
50°
3
69°
49°
4
72°
47°
5
72°
50°
6
71°
50°
7
72°
51°
8
72°
45°
9
69°
48°
10
71°
49°
11
67°
48°
12
69°
46°
13
70°
45°
14
69°
45°
15
71°
50°
16
71°
50°
17
70°
49°
18
71°
51°
19
70°
50°
20
70°
50°
21
69°
49°
22
70°
48°
23
68°
47°
24
69°
48°
25
65°
48°
26
68°
49°
27
66°
47°
28
66°
48°
29
67°
49°
30
68°
49°
31
67°
48°
1
68°
48°
2
67°
47°
3
67°
48°
4
66°
48°
5
68°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Gretna Green
Gretna Green's August 2026 forecast shows daily high temperatures ranging from 65° to 72°, with overnight lows between 45° and 51°. The average high for August is 69° with an average low of 48°. 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 Gretna Green. See also: September | October | November.
