S
M
T
W
T
F
S
26
93°
58°
27
86°
61°
28
90°
55°
29
67°
50°
30
60°
50°
1
62°
52°
2
73°
40°
3
78°
46°
4
88°
58°
5
79°
53°
6
73°
44°
7
78°
42°
8
90°
56°
9
96°
64°
10
71°
49°
11
82°
56°
12
94°
61°
13
95°
64°
14
91°
63°
15
95°
65°
16
94°
63°
17
90°
62°
18
83°
59°
19
85°
61°
20
89°
62°
21
89°
64°
22
85°
57°
23
80°
62°
24
85°
61°
25
85°
63°
26
80°
63°
27
88°
62°
28
89°
64°
29
89°
64°
30
88°
63°
31
81°
64°
1
88°
63°
2
80°
62°
3
82°
64°
4
83°
65°
5
84°
64°
6
86°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Robertson
Robertson's May 2026 forecast shows daily high temperatures ranging from 71° to 96°, with overnight lows between 49° and 65°. The average high for May is 86° with an average low of 62°. 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 Robertson. See also: June | July | August.