S
M
T
W
T
F
S
26
56°
45°
27
66°
43°
28
66°
48°
29
53°
45°
30
58°
42°
1
49°
39°
2
50°
33°
3
64°
33°
4
74°
56°
5
61°
42°
6
57°
39°
7
54°
39°
8
60°
42°
9
62°
44°
10
64°
45°
11
60°
42°
12
63°
43°
13
64°
51°
14
62°
47°
15
65°
48°
16
69°
51°
17
70°
52°
18
69°
53°
19
71°
52°
20
71°
53°
21
73°
48°
22
67°
45°
23
65°
45°
24
67°
46°
25
66°
48°
26
67°
47°
27
67°
47°
28
68°
48°
29
68°
48°
30
69°
53°
31
75°
54°
1
70°
51°
2
72°
54°
3
76°
58°
4
78°
58°
5
79°
59°
6
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lambertville
Lambertville's May 2026 forecast shows daily high temperatures ranging from 54° to 81°, with overnight lows between 39° and 61°. The average high for May is 68° with an average low of 49°. 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 Lambertville. See also: June | July | August.
