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
48°
34°
3
59°
36°
4
75°
42°
5
77°
54°
6
65°
48°
7
59°
41°
8
59°
37°
9
61°
46°
10
64°
48°
11
61°
39°
12
68°
34°
13
64°
47°
14
48°
44°
15
68°
46°
16
75°
46°
17
88°
58°
18
92°
62°
19
93°
68°
20
77°
47°
21
67°
43°
22
67°
48°
23
63°
53°
24
74°
53°
25
72°
56°
26
78°
55°
27
78°
50°
28
77°
53°
29
76°
54°
30
77°
52°
31
79°
56°
1
76°
54°
2
74°
57°
3
71°
57°
4
75°
56°
5
73°
54°
6
76°
57°
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 63° to 93°, with overnight lows between 43° and 68°. The average high for May is 76° with an average low of 54°. 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.
