S
M
T
W
T
F
S
26
84°
62°
27
83°
65°
28
76°
64°
29
71°
57°
30
64°
50°
1
65°
49°
2
71°
48°
3
75°
45°
4
80°
56°
5
71°
52°
6
56°
48°
7
70°
45°
8
75°
50°
9
84°
58°
10
80°
60°
11
77°
53°
12
80°
49°
13
82°
52°
14
79°
59°
15
89°
70°
16
85°
66°
17
90°
73°
18
88°
70°
19
81°
67°
20
78°
62°
21
75°
64°
22
81°
61°
23
79°
61°
24
82°
64°
25
85°
66°
26
82°
63°
27
82°
68°
28
84°
69°
29
84°
68°
30
82°
65°
31
79°
65°
1
80°
64°
2
80°
68°
3
81°
68°
4
85°
69°
5
87°
70°
6
87°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pennington
Pennington's May 2026 forecast shows daily high temperatures ranging from 75° to 90°, with overnight lows between 52° and 73°. The average high for May is 83° with an average low of 66°. 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 Pennington. See also: June | July | August.