S
M
T
W
T
F
S
26
56°
40°
27
55°
37°
28
54°
40°
29
52°
37°
30
53°
37°
31
54°
41°
1
56°
38°
2
54°
37°
3
53°
38°
4
54°
42°
5
57°
40°
6
54°
38°
7
54°
37°
8
55°
38°
9
56°
37°
10
54°
40°
11
54°
37°
12
55°
41°
13
55°
40°
14
56°
39°
15
55°
39°
16
56°
38°
17
55°
41°
18
55°
38°
19
56°
39°
20
57°
44°
21
58°
45°
22
57°
43°
23
56°
42°
24
57°
38°
25
56°
42°
26
56°
39°
27
57°
39°
28
56°
40°
29
56°
39°
30
58°
40°
31
57°
39°
1
62°
40°
2
58°
41°
3
64°
40°
4
57°
40°
5
62°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Romsey
Romsey's August 2026 forecast shows daily high temperatures ranging from 52° to 64°, with overnight lows between 37° and 45°. The average high for August is 56° with an average low of 40°. 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 Romsey. See also: September | October | November.