S
M
T
W
T
F
S
26
79°
57°
27
72°
56°
28
72°
53°
29
75°
58°
30
67°
49°
1
66°
46°
2
63°
44°
3
66°
35°
4
74°
36°
5
75°
43°
6
71°
61°
7
65°
50°
8
70°
43°
9
71°
46°
10
78°
49°
11
72°
51°
12
71°
52°
13
74°
45°
14
67°
45°
15
75°
38°
16
81°
46°
17
84°
54°
18
83°
57°
19
84°
57°
20
84°
55°
21
76°
63°
22
76°
64°
23
75°
63°
24
74°
64°
25
78°
64°
26
76°
65°
27
80°
63°
28
83°
64°
29
81°
64°
30
73°
56°
31
72°
56°
1
74°
55°
2
75°
56°
3
73°
55°
4
74°
57°
5
75°
58°
6
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hiawassee
Hiawassee's May 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 55° and 65°. The average high for May is 76° with an average low of 59°. 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 Hiawassee. See also: June | July | August.