S
M
T
W
T
F
S
26
48°
38°
27
53°
31°
28
66°
29°
29
70°
33°
30
72°
49°
1
80°
52°
2
79°
50°
3
68°
48°
4
58°
49°
5
66°
49°
6
72°
49°
7
83°
51°
8
84°
53°
9
79°
54°
10
79°
53°
11
81°
52°
12
82°
52°
13
78°
51°
14
73°
48°
15
71°
47°
16
72°
48°
17
73°
48°
18
73°
49°
19
74°
49°
20
74°
50°
21
81°
54°
22
82°
56°
23
83°
55°
24
81°
56°
25
83°
56°
26
83°
58°
27
82°
56°
28
81°
54°
29
82°
52°
30
78°
53°
31
77°
52°
1
78°
52°
2
80°
54°
3
83°
57°
4
86°
57°
5
84°
58°
6
83°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Idyllwild
Idyllwild's May 2026 forecast shows daily high temperatures ranging from 58° to 86°, with overnight lows between 47° and 58°. The average high for May is 78° 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 Idyllwild. See also: June | July | August.
