S
M
T
W
T
F
S
26
88°
74°
27
90°
75°
28
88°
77°
29
81°
62°
30
70°
60°
1
63°
52°
2
76°
50°
3
81°
52°
4
84°
59°
5
86°
70°
6
79°
62°
7
69°
59°
8
81°
62°
9
90°
71°
10
90°
64°
11
82°
64°
12
85°
61°
13
90°
61°
14
90°
65°
15
90°
69°
16
91°
70°
17
88°
76°
18
93°
77°
19
94°
65°
20
86°
67°
21
82°
66°
22
87°
64°
23
86°
67°
24
89°
66°
25
89°
66°
26
90°
70°
27
82°
70°
28
91°
70°
29
90°
72°
30
89°
72°
31
86°
67°
1
84°
64°
2
84°
65°
3
85°
63°
4
86°
64°
5
90°
68°
6
92°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Austin
Austin's May 2026 forecast shows daily high temperatures ranging from 82° to 92°, with overnight lows between 63° and 72°. The average high for May is 87° with an average low of 68°. 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 Austin. See also: June | July | August.
