S
M
T
W
T
F
S
26
54°
40°
27
68°
37°
28
57°
50°
29
59°
46°
30
57°
36°
1
54°
38°
2
54°
34°
3
59°
38°
4
64°
46°
5
70°
47°
6
73°
50°
7
65°
40°
8
59°
42°
9
60°
42°
10
64°
41°
11
65°
42°
12
63°
46°
13
64°
46°
14
66°
45°
15
66°
48°
16
67°
49°
17
67°
48°
18
68°
53°
19
75°
53°
20
75°
52°
21
76°
55°
22
77°
54°
23
76°
54°
24
76°
51°
25
69°
47°
26
70°
54°
27
69°
55°
28
73°
56°
29
76°
56°
30
74°
55°
31
75°
50°
1
71°
49°
2
69°
49°
3
69°
50°
4
71°
49°
5
70°
50°
6
71°
50°
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 54° to 77°, with overnight lows between 34° and 56°. The average high for May is 68° with an average low of 48°. 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.
