S
M
T
W
T
F
S
26
89°
65°
27
91°
72°
28
91°
71°
29
86°
68°
30
68°
62°
1
62°
52°
2
74°
50°
3
83°
45°
4
82°
51°
5
81°
61°
6
83°
60°
7
70°
57°
8
68°
61°
9
74°
64°
10
87°
66°
11
76°
69°
12
85°
61°
13
88°
56°
14
90°
61°
15
87°
70°
16
87°
67°
17
87°
74°
18
88°
73°
19
87°
70°
20
81°
67°
21
81°
66°
22
83°
67°
23
84°
66°
24
84°
71°
25
86°
68°
26
86°
69°
27
87°
68°
28
88°
66°
29
86°
70°
30
84°
70°
31
84°
69°
1
85°
69°
2
84°
70°
3
87°
70°
4
89°
71°
5
89°
71°
6
83°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Extension
Extension's May 2026 forecast shows daily high temperatures ranging from 81° to 89°, with overnight lows between 66° and 74°. The average high for May is 86° with an average low of 69°. 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 Extension. See also: June | July | August.
