S
M
T
W
T
F
S
26
77°
61°
27
81°
52°
28
84°
54°
29
86°
57°
30
90°
63°
1
86°
63°
2
91°
68°
3
95°
73°
4
82°
62°
5
79°
54°
6
82°
59°
7
90°
62°
8
97°
68°
9
101°
70°
10
105°
70°
11
104°
71°
12
103°
72°
13
104°
71°
14
105°
72°
15
102°
69°
16
99°
68°
17
94°
61°
18
98°
66°
19
98°
67°
20
99°
67°
21
99°
66°
22
100°
68°
23
100°
69°
24
99°
68°
25
99°
68°
26
98°
67°
27
97°
68°
28
94°
69°
29
93°
64°
30
94°
62°
31
93°
65°
1
94°
65°
2
95°
67°
3
95°
67°
4
96°
68°
5
95°
71°
6
98°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Florence
Florence's May 2026 forecast shows daily high temperatures ranging from 79° to 105°, with overnight lows between 54° and 72°. The average high for May is 97° with an average low of 67°. 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 Florence. See also: June | July | August.