S
M
T
W
T
F
S
26
81°
60°
27
84°
63°
28
75°
64°
29
72°
62°
30
77°
63°
31
84°
59°
1
83°
60°
2
75°
68°
3
81°
63°
4
82°
56°
5
85°
62°
6
85°
67°
7
83°
69°
8
87°
66°
9
88°
66°
10
86°
68°
11
85°
65°
12
82°
62°
13
83°
61°
14
82°
59°
15
81°
58°
16
79°
58°
17
80°
59°
18
81°
58°
19
80°
60°
20
83°
58°
21
80°
56°
22
81°
61°
23
86°
63°
24
86°
64°
25
85°
63°
26
83°
63°
27
78°
62°
28
81°
61°
29
80°
62°
30
81°
61°
31
82°
61°
1
83°
55°
2
75°
53°
3
74°
53°
4
75°
54°
5
76°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lock Haven
Lock Haven's August 2026 forecast shows daily high temperatures ranging from 74° to 88°, with overnight lows between 53° and 69°. The average high for August is 82° with an average low of 61°. 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 Lock Haven. See also: September | October | November.
