S
M
T
W
T
F
S
26
76°
55°
27
76°
53°
28
77°
57°
29
77°
57°
30
76°
55°
31
77°
53°
1
76°
53°
2
74°
52°
3
75°
53°
4
77°
57°
5
78°
58°
6
78°
57°
7
77°
55°
8
77°
54°
9
76°
57°
10
77°
56°
11
78°
57°
12
78°
57°
13
77°
56°
14
78°
57°
15
78°
56°
16
77°
56°
17
77°
55°
18
78°
54°
19
77°
50°
20
72°
50°
21
72°
49°
22
73°
48°
23
72°
51°
24
71°
50°
25
71°
49°
26
72°
53°
27
71°
54°
28
71°
49°
29
70°
50°
30
71°
49°
31
70°
48°
1
71°
49°
2
73°
52°
3
73°
52°
4
71°
48°
5
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Gillingham
Gillingham's August 2026 forecast shows daily high temperatures ranging from 70° to 78°, with overnight lows between 47° and 58°. The average high for August is 75° with an average low of 53°. 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 Gillingham. See also: September | October | November.