S
M
T
W
T
F
S
26
72°
58°
27
72°
58°
28
71°
60°
29
72°
60°
30
73°
59°
31
74°
61°
1
75°
60°
2
73°
59°
3
67°
58°
4
72°
59°
5
71°
58°
6
71°
59°
7
70°
58°
8
67°
54°
9
68°
57°
10
69°
58°
11
67°
53°
12
68°
53°
13
67°
54°
14
67°
53°
15
68°
53°
16
67°
57°
17
69°
56°
18
71°
57°
19
71°
57°
20
70°
52°
21
66°
55°
22
71°
56°
23
69°
57°
24
70°
52°
25
68°
53°
26
67°
52°
27
65°
56°
28
65°
56°
29
70°
57°
30
70°
55°
31
69°
56°
1
69°
56°
2
68°
55°
3
69°
54°
4
67°
52°
5
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Spilsby
Spilsby's August 2026 forecast shows daily high temperatures ranging from 64° to 75°, with overnight lows between 51° and 61°. The average high for August is 69° with an average low of 56°. 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 Spilsby. See also: September | October | November.
