S
M
T
W
T
F
S
26
88°
54°
27
86°
56°
28
87°
59°
29
91°
59°
30
92°
58°
31
88°
56°
1
88°
57°
2
87°
56°
3
83°
56°
4
90°
57°
5
86°
56°
6
88°
54°
7
82°
54°
8
85°
55°
9
86°
59°
10
90°
58°
11
90°
58°
12
91°
57°
13
92°
58°
14
91°
56°
15
87°
54°
16
85°
53°
17
84°
55°
18
88°
59°
19
88°
56°
20
87°
54°
21
81°
55°
22
85°
55°
23
88°
57°
24
88°
54°
25
82°
54°
26
86°
56°
27
82°
52°
28
82°
53°
29
84°
55°
30
87°
51°
31
83°
49°
1
79°
50°
2
81°
51°
3
84°
55°
4
84°
52°
5
86°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Barr Lake
Barr Lake's August 2026 forecast shows daily high temperatures ranging from 79° to 92°, with overnight lows between 49° and 59°. The average high for August is 86° with an average low of 55°. 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 Barr Lake. See also: September | October | November.
