S
M
T
W
T
F
S
26
90°
51°
27
82°
48°
28
74°
47°
29
71°
39°
30
70°
46°
1
62°
43°
2
78°
42°
3
84°
50°
4
91°
58°
5
76°
48°
6
61°
45°
7
78°
43°
8
84°
54°
9
93°
52°
10
68°
49°
11
80°
46°
12
97°
55°
13
96°
58°
14
100°
59°
15
102°
66°
16
103°
68°
17
100°
67°
18
99°
53°
19
71°
47°
20
72°
44°
21
73°
55°
22
83°
60°
23
85°
58°
24
87°
55°
25
89°
61°
26
82°
62°
27
74°
61°
28
84°
62°
29
89°
64°
30
96°
66°
31
99°
64°
1
96°
68°
2
91°
66°
3
77°
64°
4
80°
64°
5
82°
65°
6
89°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Clarendon
Clarendon's May 2026 forecast shows daily high temperatures ranging from 77° to 99°, with overnight lows between 63° and 68°. The average high for May is 88° with an average low of 65°. 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 Clarendon. See also: June | July | August.