S
M
T
W
T
F
S
26
88°
59°
27
87°
61°
28
88°
61°
29
88°
60°
30
87°
61°
31
86°
61°
1
87°
60°
2
86°
61°
3
87°
61°
4
86°
60°
5
86°
58°
6
84°
59°
7
87°
61°
8
87°
55°
9
80°
54°
10
80°
53°
11
81°
58°
12
80°
59°
13
82°
60°
14
82°
61°
15
83°
60°
16
85°
60°
17
81°
53°
18
81°
52°
19
82°
58°
20
84°
56°
21
83°
58°
22
86°
56°
23
84°
56°
24
84°
52°
25
78°
51°
26
79°
51°
27
77°
52°
28
77°
50°
29
79°
51°
30
79°
54°
31
84°
57°
1
84°
57°
2
83°
56°
3
84°
49°
4
83°
47°
5
76°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lake Katrine
Lake Katrine's August 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 47° and 61°. The average high for August is 83° 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 Lake Katrine. See also: September | October | November.