S
M
T
W
T
F
S
26
95°
53°
27
77°
44°
28
81°
59°
29
84°
52°
30
71°
45°
1
70°
45°
2
71°
52°
3
72°
49°
4
71°
49°
5
76°
50°
6
67°
49°
7
69°
46°
8
69°
47°
9
71°
49°
10
72°
57°
11
77°
58°
12
82°
55°
13
73°
50°
14
73°
52°
15
72°
49°
16
74°
56°
17
78°
59°
18
78°
59°
19
84°
53°
20
73°
51°
21
75°
53°
22
82°
60°
23
85°
61°
24
84°
58°
25
74°
56°
26
75°
54°
27
76°
55°
28
77°
61°
29
78°
60°
30
78°
58°
31
80°
61°
1
81°
64°
2
84°
65°
3
87°
65°
4
82°
64°
5
86°
64°
6
91°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Quinlan
Quinlan's May 2026 forecast shows daily high temperatures ranging from 67° to 95°, with overnight lows between 44° and 66°. The average high for May is 78° with an average low of 55°. 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 Quinlan. See also: June | July | August.