S
M
T
W
T
F
S
26
54°
40°
27
68°
37°
28
57°
50°
29
54°
50°
30
54°
40°
1
55°
33°
2
51°
32°
3
58°
41°
4
69°
52°
5
75°
54°
6
62°
45°
7
58°
38°
8
58°
37°
9
59°
39°
10
62°
40°
11
63°
43°
12
65°
42°
13
64°
46°
14
66°
47°
15
69°
48°
16
76°
52°
17
75°
53°
18
76°
53°
19
75°
50°
20
76°
53°
21
77°
52°
22
74°
46°
23
67°
44°
24
67°
46°
25
68°
47°
26
69°
46°
27
69°
46°
28
70°
47°
29
69°
46°
30
69°
48°
31
71°
57°
1
72°
52°
2
73°
49°
3
72°
53°
4
75°
55°
5
73°
52°
6
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lock Haven
Lock Haven's May 2026 forecast shows daily high temperatures ranging from 51° to 78°, with overnight lows between 32° and 58°. The average high for May is 69° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Lock Haven. See also: June | July | August.
