S
M
T
W
T
F
S
26
45°
27°
27
48°
28°
28
52°
27°
29
63°
27°
30
64°
30°
1
68°
37°
2
66°
39°
3
60°
39°
4
47°
34°
5
59°
33°
6
71°
37°
7
72°
39°
8
64°
38°
9
62°
37°
10
71°
36°
11
70°
36°
12
72°
40°
13
72°
38°
14
76°
33°
15
57°
26°
16
58°
27°
17
58°
27°
18
59°
28°
19
57°
26°
20
59°
28°
21
64°
32°
22
68°
34°
23
69°
36°
24
67°
36°
25
69°
35°
26
69°
34°
27
70°
35°
28
68°
33°
29
66°
33°
30
63°
31°
31
62°
30°
1
62°
30°
2
67°
33°
3
70°
36°
4
68°
37°
5
67°
36°
6
64°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Floriston
Floriston's May 2026 forecast shows daily high temperatures ranging from 47° to 76°, with overnight lows between 26° and 40°. The average high for May is 65° with an average low of 34°. 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 Floriston. See also: June | July | August.