S
M
T
W
T
F
S
26
73°
57°
27
75°
57°
28
73°
56°
29
74°
54°
30
71°
56°
1
77°
55°
2
71°
56°
3
72°
58°
4
79°
61°
5
79°
59°
6
75°
57°
7
78°
61°
8
81°
63°
9
80°
63°
10
80°
62°
11
82°
64°
12
82°
64°
13
81°
59°
14
75°
56°
15
76°
59°
16
82°
63°
17
84°
65°
18
84°
65°
19
80°
58°
20
76°
57°
21
76°
58°
22
82°
63°
23
85°
66°
24
85°
67°
25
86°
68°
26
86°
68°
27
85°
67°
28
86°
68°
29
86°
69°
30
85°
69°
31
86°
65°
1
82°
68°
2
82°
69°
3
83°
64°
4
82°
63°
5
83°
64°
6
86°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lawrenceville
Lawrenceville's May 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 54° and 69°. The average high for May is 80° with an average low of 62°. 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 Lawrenceville. See also: June | July | August.