S
M
T
W
T
F
S
26
43°
25°
27
45°
24°
28
48°
29°
29
51°
28°
30
43°
25°
1
44°
21°
2
52°
29°
3
52°
32°
4
54°
30°
5
51°
32°
6
49°
29°
7
51°
31°
8
53°
32°
9
56°
33°
10
55°
34°
11
56°
24°
12
49°
23°
13
48°
21°
14
50°
21°
15
56°
25°
16
60°
27°
17
61°
31°
18
62°
31°
19
61°
32°
20
62°
32°
21
61°
31°
22
59°
30°
23
59°
31°
24
58°
32°
25
58°
31°
26
64°
32°
27
65°
33°
28
66°
34°
29
64°
34°
30
60°
33°
31
66°
34°
1
65°
35°
2
65°
35°
3
58°
34°
4
61°
35°
5
60°
30°
6
62°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Frisco
Frisco's May 2026 forecast shows daily high temperatures ranging from 43° to 66°, with overnight lows between 21° and 35°. The average high for May is 57° with an average low of 30°. 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 Frisco. See also: June | July | August.
