S
M
T
W
T
F
S
26
54°
37°
27
69°
38°
28
70°
46°
29
48°
39°
30
48°
35°
1
45°
37°
2
46°
34°
3
64°
35°
4
74°
44°
5
54°
39°
6
46°
37°
7
44°
39°
8
50°
42°
9
57°
39°
10
57°
39°
11
50°
36°
12
54°
40°
13
57°
45°
14
55°
43°
15
57°
41°
16
59°
45°
17
62°
43°
18
64°
47°
19
60°
48°
20
64°
48°
21
65°
44°
22
59°
40°
23
57°
40°
24
59°
41°
25
58°
42°
26
59°
41°
27
59°
41°
28
60°
42°
29
60°
42°
30
61°
49°
31
67°
48°
1
62°
46°
2
63°
49°
3
68°
53°
4
69°
52°
5
68°
54°
6
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hillsborough Beach
Hillsborough Beach's May 2026 forecast shows daily high temperatures ranging from 44° to 74°, with overnight lows between 36° and 55°. The average high for May is 60° with an average low of 44°. 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 Hillsborough Beach. See also: June | July | August.
