S
M
T
W
T
F
S
26
63°
42°
27
73°
35°
28
65°
38°
29
66°
49°
30
60°
48°
1
66°
36°
2
61°
45°
3
61°
39°
4
73°
36°
5
84°
46°
6
70°
52°
7
64°
45°
8
60°
39°
9
58°
47°
10
70°
51°
11
63°
44°
12
69°
34°
13
70°
43°
14
61°
45°
15
60°
44°
16
76°
57°
17
82°
52°
18
82°
58°
19
87°
64°
20
75°
52°
21
68°
48°
22
65°
49°
23
68°
49°
24
71°
50°
25
73°
55°
26
75°
59°
27
76°
49°
28
65°
47°
29
65°
50°
30
66°
55°
31
74°
52°
1
67°
50°
2
68°
50°
3
67°
49°
4
67°
48°
5
68°
56°
6
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Highland Lakes
Highland Lakes's May 2026 forecast shows daily high temperatures ranging from 60° to 87°, with overnight lows between 44° and 64°. The average high for May is 71° with an average low of 52°. 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 Highland Lakes. See also: June | July | August.