S
M
T
W
T
F
S
26
89°
65°
27
86°
64°
28
84°
64°
29
85°
65°
30
86°
66°
31
84°
65°
1
86°
67°
2
85°
64°
3
85°
64°
4
84°
67°
5
85°
69°
6
90°
68°
7
90°
69°
8
88°
67°
9
84°
66°
10
85°
65°
11
83°
63°
12
83°
64°
13
84°
65°
14
84°
63°
15
83°
63°
16
83°
64°
17
84°
62°
18
84°
63°
19
86°
64°
20
88°
69°
21
89°
64°
22
88°
67°
23
88°
67°
24
87°
61°
25
83°
62°
26
82°
67°
27
88°
66°
28
85°
67°
29
88°
68°
30
86°
68°
31
87°
66°
1
86°
60°
2
81°
59°
3
Hist. Avg.
82°
62°
4
Hist. Avg.
82°
62°
5
Hist. Avg.
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Georgetown
Georgetown's August 2026 forecast shows daily high temperatures ranging from 81° to 90°, with overnight lows between 59° and 69°. The average high for August is 86° with an average low of 65°. 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 Georgetown. See also: September | October | November.