S
M
T
W
T
F
S
26
55°
44°
27
62°
39°
28
64°
41°
29
68°
38°
30
70°
37°
1
69°
37°
2
74°
38°
3
76°
42°
4
71°
49°
5
73°
46°
6
59°
39°
7
75°
32°
8
82°
44°
9
82°
46°
10
81°
43°
11
88°
43°
12
93°
48°
13
93°
49°
14
87°
55°
15
87°
46°
16
88°
55°
17
76°
50°
18
64°
42°
19
69°
41°
20
72°
42°
21
79°
40°
22
66°
43°
23
82°
41°
24
85°
49°
25
84°
49°
26
76°
50°
27
88°
55°
28
91°
57°
29
88°
47°
30
82°
48°
31
83°
49°
1
91°
55°
2
92°
54°
3
95°
54°
4
92°
54°
5
96°
56°
6
95°
59°
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 96°, with overnight lows between 47° and 59°. The average high for May is 90° with an average low of 53°. 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.
