S
M
T
W
T
F
S
26
62°
33°
27
66°
36°
28
61°
47°
29
48°
36°
30
46°
35°
1
46°
32°
2
45°
29°
3
56°
29°
4
72°
46°
5
62°
41°
6
45°
36°
7
47°
32°
8
55°
32°
9
64°
40°
10
54°
35°
11
48°
34°
12
57°
31°
13
53°
39°
14
49°
43°
15
55°
49°
16
67°
46°
17
54°
48°
18
73°
63°
19
72°
47°
20
56°
38°
21
54°
40°
22
57°
41°
23
58°
44°
24
56°
46°
25
60°
48°
26
64°
44°
27
61°
48°
28
62°
49°
29
62°
50°
30
67°
46°
31
60°
42°
1
60°
43°
2
59°
42°
3
61°
42°
4
63°
47°
5
66°
53°
6
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Blue Mountains
Blue Mountains's May 2026 forecast shows daily high temperatures ranging from 49° to 73°, with overnight lows between 38° and 63°. The average high for May is 61° with an average low of 46°. 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 Blue Mountains. See also: June | July | August.
