S
M
T
W
T
F
S
26
65°
31°
27
72°
33°
28
73°
38°
29
69°
39°
30
51°
40°
1
51°
30°
2
49°
30°
3
49°
30°
4
59°
29°
5
78°
40°
6
48°
41°
7
51°
34°
8
49°
34°
9
62°
30°
10
62°
43°
11
51°
33°
12
53°
32°
13
52°
31°
14
56°
44°
15
66°
51°
16
73°
53°
17
72°
46°
18
74°
43°
19
77°
67°
20
71°
37°
21
56°
35°
22
63°
41°
23
64°
45°
24
58°
46°
25
57°
48°
26
64°
49°
27
63°
47°
28
68°
51°
29
67°
52°
30
72°
53°
31
69°
53°
1
70°
50°
2
66°
51°
3
64°
49°
4
64°
51°
5
66°
52°
6
73°
52°
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 56° to 77°, with overnight lows between 35° and 67°. The average high for May is 66° with an average low of 49°. 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.
