S
M
T
W
T
F
S
26
58°
43°
27
71°
39°
28
58°
42°
29
59°
49°
30
65°
48°
1
67°
38°
2
60°
45°
3
62°
42°
4
75°
39°
5
84°
58°
6
69°
56°
7
64°
44°
8
65°
50°
9
62°
49°
10
75°
50°
11
61°
41°
12
61°
44°
13
58°
47°
14
64°
48°
15
67°
53°
16
73°
51°
17
71°
52°
18
74°
56°
19
75°
56°
20
71°
52°
21
68°
49°
22
66°
49°
23
67°
50°
24
68°
49°
25
70°
53°
26
74°
56°
27
71°
53°
28
73°
54°
29
72°
51°
30
75°
57°
31
79°
60°
1
76°
60°
2
79°
57°
3
78°
60°
4
80°
61°
5
80°
61°
6
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Slab
Slab's May 2026 forecast shows daily high temperatures ranging from 58° to 81°, with overnight lows between 41° and 62°. The average high for May is 71° 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 Slab. See also: June | July | August.
