S
M
T
W
T
F
S
26
77°
58°
27
76°
54°
28
77°
57°
29
77°
57°
30
78°
62°
1
77°
60°
2
76°
63°
3
78°
63°
4
78°
65°
5
72°
58°
6
N/A
7
64°
48°
8
69°
52°
9
69°
53°
10
70°
59°
11
69°
61°
12
70°
60°
13
69°
59°
14
68°
53°
15
69°
54°
16
68°
58°
17
69°
55°
18
70°
56°
19
68°
54°
20
68°
53°
21
70°
54°
22
67°
55°
23
67°
54°
24
66°
55°
25
66°
54°
26
64°
54°
27
65°
53°
28
64°
53°
29
64°
52°
30
67°
52°
31
64°
51°
1
64°
52°
2
63°
50°
3
64°
51°
4
63°
52°
5
67°
52°
6
66°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Arncliffe
Arncliffe's May 2026 forecast shows daily high temperatures ranging from 63° to 70°, with overnight lows between 48° and 61°. The average high for May is 67° with an average low of 54°. 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 Arncliffe. See also: June | July | August.