S
M
T
W
T
F
S
26
86°
72°
27
86°
76°
28
89°
75°
29
85°
65°
30
73°
64°
1
64°
52°
2
74°
49°
3
78°
50°
4
81°
56°
5
85°
68°
6
82°
63°
7
73°
64°
8
77°
68°
9
82°
67°
10
84°
63°
11
84°
59°
12
84°
64°
13
85°
67°
14
84°
70°
15
82°
69°
16
85°
70°
17
84°
71°
18
85°
71°
19
87°
70°
20
86°
66°
21
87°
70°
22
88°
70°
23
84°
69°
24
83°
70°
25
83°
70°
26
82°
69°
27
82°
69°
28
83°
68°
29
83°
68°
30
84°
67°
31
84°
68°
1
85°
67°
2
85°
68°
3
86°
69°
4
85°
70°
5
86°
72°
6
87°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Washington-Chappell Hill
Washington-Chappell Hill's May 2026 forecast shows daily high temperatures ranging from 73° to 88°, with overnight lows between 59° and 73°. The average high for May is 84° with an average low of 68°. 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 Washington-Chappell Hill. See also: June | July | August.
