S
M
T
W
T
F
S
26
85°
69°
27
88°
71°
28
84°
67°
29
67°
59°
30
63°
56°
1
66°
53°
2
76°
47°
3
82°
61°
4
85°
69°
5
88°
60°
6
73°
49°
7
72°
55°
8
77°
60°
9
80°
64°
10
77°
61°
11
73°
55°
12
78°
58°
13
83°
62°
14
87°
63°
15
84°
65°
16
82°
61°
17
78°
64°
18
77°
65°
19
78°
66°
20
81°
65°
21
83°
59°
22
77°
58°
23
77°
59°
24
79°
62°
25
79°
60°
26
77°
59°
27
78°
60°
28
79°
61°
29
78°
65°
30
77°
66°
31
80°
64°
1
81°
63°
2
82°
64°
3
83°
69°
4
84°
69°
5
81°
67°
6
79°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Collin
Collin's May 2026 forecast shows daily high temperatures ranging from 72° to 88°, with overnight lows between 49° and 69°. The average high for May is 80° 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 Collin. See also: June | July | August.
