S
M
T
W
T
F
S
26
58°
45°
27
62°
39°
28
71°
41°
29
79°
58°
30
81°
59°
1
84°
60°
2
84°
60°
3
76°
53°
4
70°
51°
5
68°
52°
6
74°
52°
7
84°
51°
8
83°
53°
9
80°
52°
10
81°
53°
11
87°
54°
12
81°
51°
13
76°
47°
14
75°
48°
15
74°
47°
16
76°
48°
17
76°
48°
18
77°
49°
19
77°
48°
20
78°
49°
21
82°
54°
22
85°
56°
23
86°
54°
24
83°
54°
25
83°
53°
26
85°
57°
27
85°
55°
28
84°
53°
29
84°
52°
30
81°
51°
31
81°
51°
1
82°
52°
2
82°
53°
3
84°
55°
4
86°
56°
5
86°
56°
6
87°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Joshua Tree
Joshua Tree's May 2026 forecast shows daily high temperatures ranging from 68° to 87°, with overnight lows between 47° and 60°. The average high for May is 81° with an average low of 53°. 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 Joshua Tree. See also: June | July | August.
