S
M
T
W
T
F
S
26
77°
59°
27
78°
58°
28
78°
60°
29
79°
58°
30
77°
57°
31
77°
59°
1
78°
59°
2
79°
58°
3
80°
60°
4
79°
60°
5
81°
59°
6
77°
56°
7
77°
56°
8
78°
57°
9
77°
58°
10
76°
57°
11
77°
52°
12
76°
55°
13
77°
59°
14
79°
58°
15
76°
56°
16
76°
55°
17
77°
56°
18
76°
58°
19
76°
59°
20
81°
59°
21
81°
58°
22
80°
57°
23
76°
58°
24
85°
57°
25
81°
55°
26
82°
55°
27
84°
50°
28
76°
49°
29
74°
48°
30
73°
48°
31
72°
46°
1
73°
50°
2
74°
54°
3
73°
57°
4
81°
57°
5
82°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Waterboro
Waterboro's August 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 46° and 60°. The average high for August is 78° 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 Waterboro. See also: September | October | November.