S
M
T
W
T
F
S
26
69°
45°
27
66°
44°
28
60°
45°
29
64°
43°
30
60°
42°
1
59°
40°
2
57°
38°
3
60°
41°
4
63°
40°
5
64°
43°
6
68°
39°
7
69°
45°
8
63°
40°
9
64°
40°
10
64°
40°
11
65°
43°
12
66°
46°
13
65°
45°
14
65°
48°
15
66°
45°
16
66°
44°
17
65°
43°
18
65°
45°
19
66°
46°
20
65°
45°
21
67°
44°
22
68°
48°
23
69°
53°
24
74°
55°
25
71°
48°
26
68°
46°
27
69°
47°
28
70°
55°
29
70°
56°
30
71°
57°
31
72°
57°
1
72°
56°
2
73°
57°
3
73°
57°
4
77°
56°
5
80°
49°
6
76°
51°
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 57° to 80°, with overnight lows between 38° and 57°. The average high for May is 67° 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.
