S
M
T
W
T
F
S
26
70°
51°
27
69°
50°
28
70°
52°
29
73°
51°
30
72°
53°
1
64°
53°
2
63°
53°
3
68°
53°
4
67°
48°
5
66°
53°
6
68°
52°
7
67°
47°
8
61°
46°
9
60°
50°
10
61°
50°
11
60°
49°
12
61°
50°
13
61°
46°
14
62°
45°
15
64°
45°
16
64°
46°
17
63°
45°
18
63°
45°
19
64°
50°
20
65°
47°
21
64°
47°
22
64°
50°
23
63°
50°
24
60°
49°
25
63°
51°
26
64°
50°
27
63°
46°
28
57°
46°
29
57°
49°
30
59°
43°
31
60°
48°
1
59°
45°
2
57°
42°
3
57°
42°
4
58°
43°
5
57°
42°
6
59°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ferntree Gully
Ferntree Gully's May 2026 forecast shows daily high temperatures ranging from 57° to 73°, with overnight lows between 42° and 53°. The average high for May is 63° with an average low of 48°. 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 Ferntree Gully. See also: June | July | August.