S
M
T
W
T
F
S
26
74°
55°
27
76°
54°
28
73°
55°
29
70°
54°
30
67°
53°
1
68°
55°
2
67°
55°
3
69°
53°
4
71°
54°
5
72°
54°
6
74°
56°
7
76°
57°
8
77°
58°
9
78°
58°
10
77°
57°
11
76°
58°
12
76°
58°
13
78°
59°
14
78°
57°
15
74°
55°
16
75°
54°
17
78°
57°
18
81°
56°
19
80°
52°
20
77°
53°
21
79°
56°
22
77°
61°
23
81°
60°
24
85°
62°
25
85°
63°
26
84°
63°
27
86°
62°
28
87°
64°
29
86°
64°
30
86°
58°
31
85°
58°
1
84°
64°
2
86°
64°
3
88°
65°
4
88°
65°
5
89°
58°
6
87°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Highfill
Highfill's May 2026 forecast shows daily high temperatures ranging from 67° to 89°, with overnight lows between 52° and 65°. The average high for May is 79° with an average low of 58°. 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 Highfill. See also: June | July | August.