S
M
T
W
T
F
S
26
78°
56°
27
65°
54°
28
76°
51°
29
69°
57°
30
75°
54°
1
N/A
2
65°
58°
3
61°
46°
4
57°
46°
5
54°
45°
6
56°
39°
7
45°
40°
8
56°
44°
9
57°
44°
10
59°
42°
11
58°
45°
12
59°
43°
13
61°
44°
14
60°
43°
15
61°
44°
16
57°
42°
17
57°
41°
18
58°
41°
19
62°
44°
20
63°
48°
21
62°
47°
22
58°
44°
23
56°
41°
24
55°
41°
25
55°
42°
26
56°
40°
27
56°
42°
28
55°
46°
29
59°
46°
30
58°
45°
31
58°
46°
1
56°
45°
2
56°
45°
3
55°
43°
4
53°
42°
5
54°
41°
6
55°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Ferntree Gully
Ferntree Gully's May 2026 forecast shows daily high temperatures ranging from 45° to 65°, with overnight lows between 39° and 58°. The average high for May is 57° with an average low of 44°. 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.