S
M
T
W
T
F
S
26
83°
64°
27
81°
64°
28
84°
66°
29
83°
64°
30
85°
63°
1
83°
65°
2
82°
62°
3
82°
66°
4
83°
67°
5
82°
65°
6
81°
63°
7
82°
66°
8
83°
67°
9
79°
67°
10
80°
67°
11
82°
68°
12
82°
65°
13
81°
63°
14
83°
64°
15
81°
65°
16
83°
67°
17
84°
70°
18
83°
68°
19
85°
68°
20
84°
66°
21
83°
69°
22
84°
63°
23
83°
69°
24
82°
68°
25
84°
69°
26
82°
68°
27
84°
69°
28
82°
68°
29
81°
70°
30
81°
70°
31
82°
69°
1
81°
69°
2
81°
70°
3
82°
70°
4
82°
71°
5
83°
71°
6
82°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Waimea
Waimea's May 2026 forecast shows daily high temperatures ranging from 81° to 85°, with overnight lows between 63° and 71°. The average high for May is 83° with an average low of 68°. 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 Waimea. See also: June | July | August.