S
M
T
W
T
F
S
26
65°
37°
27
70°
39°
28
68°
42°
29
64°
47°
30
54°
40°
1
56°
35°
2
50°
33°
3
53°
33°
4
69°
38°
5
78°
49°
6
55°
42°
7
54°
36°
8
52°
37°
9
49°
35°
10
60°
41°
11
56°
33°
12
58°
32°
13
57°
41°
14
56°
45°
15
63°
43°
16
77°
44°
17
81°
56°
18
88°
56°
19
83°
70°
20
76°
46°
21
65°
37°
22
65°
44°
23
56°
46°
24
57°
49°
25
64°
52°
26
71°
51°
27
76°
52°
28
73°
52°
29
73°
53°
30
72°
53°
31
71°
58°
1
75°
54°
2
76°
51°
3
74°
55°
4
75°
54°
5
75°
56°
6
74°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Edinburg
Edinburg's May 2026 forecast shows daily high temperatures ranging from 56° to 76°, with overnight lows between 37° and 58°. The average high for May is 70° with an average low of 51°. 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 Edinburg. See also: June | July | August.