S
M
T
W
T
F
S
26
83°
64°
27
92°
66°
28
87°
62°
29
83°
63°
30
82°
60°
1
78°
49°
2
74°
45°
3
79°
51°
4
78°
56°
5
80°
59°
6
82°
55°
7
81°
59°
8
77°
59°
9
77°
58°
10
78°
58°
11
79°
61°
12
81°
61°
13
83°
60°
14
78°
61°
15
78°
57°
16
79°
55°
17
78°
55°
18
79°
57°
19
82°
63°
20
82°
63°
21
81°
62°
22
81°
63°
23
82°
64°
24
81°
64°
25
81°
63°
26
82°
64°
27
82°
65°
28
80°
65°
29
81°
64°
30
82°
64°
31
82°
62°
1
83°
60°
2
82°
61°
3
82°
61°
4
83°
64°
5
88°
64°
6
90°
65°
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 74° to 92°, with overnight lows between 45° and 66°. The average high for May is 81° with an average low of 60°. 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.