S
M
T
W
T
F
S
26
70°
55°
27
71°
57°
28
70°
52°
29
63°
52°
30
63°
56°
1
64°
56°
2
64°
55°
3
65°
56°
4
66°
56°
5
65°
50°
6
67°
51°
7
65°
55°
8
65°
50°
9
67°
53°
10
68°
55°
11
68°
55°
12
67°
51°
13
66°
54°
14
65°
49°
15
60°
48°
16
61°
48°
17
61°
49°
18
60°
48°
19
59°
51°
20
60°
48°
21
60°
47°
22
61°
47°
23
60°
48°
24
61°
47°
25
65°
50°
26
65°
50°
27
64°
52°
28
64°
51°
29
60°
51°
30
61°
50°
31
60°
49°
1
60°
46°
2
62°
50°
3
61°
46°
4
62°
45°
5
63°
47°
6
61°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mornington
Mornington's May 2026 forecast shows daily high temperatures ranging from 59° to 71°, with overnight lows between 45° and 57°. The average high for May is 64° with an average low of 51°. 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 Mornington. See also: June | July | August.
