S
M
T
W
T
F
S
26
77°
58°
27
76°
57°
28
69°
55°
29
73°
58°
30
74°
57°
31
73°
57°
1
73°
56°
2
74°
57°
3
73°
55°
4
71°
54°
5
69°
57°
6
70°
57°
7
72°
53°
8
71°
52°
9
71°
56°
10
72°
57°
11
74°
57°
12
74°
56°
13
73°
57°
14
74°
57°
15
73°
56°
16
71°
57°
17
72°
56°
18
70°
54°
19
69°
56°
20
69°
53°
21
68°
51°
22
69°
57°
23
71°
56°
24
73°
56°
25
72°
56°
26
69°
55°
27
71°
54°
28
71°
50°
29
68°
49°
30
68°
51°
31
71°
52°
1
71°
53°
2
70°
54°
3
71°
54°
4
72°
53°
5
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Eastleigh
Eastleigh's August 2026 forecast shows daily high temperatures ranging from 68° to 77°, with overnight lows between 49° and 58°. The average high for August is 72° with an average low of 55°. 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 Eastleigh. See also: September | October | November.