S
M
T
W
T
F
S
26
60°
45°
27
59°
43°
28
62°
43°
29
61°
42°
30
60°
41°
1
62°
45°
2
64°
44°
3
63°
43°
4
64°
48°
5
72°
53°
6
73°
48°
7
67°
48°
8
74°
55°
9
75°
55°
10
76°
53°
11
68°
47°
12
64°
46°
13
66°
49°
14
65°
49°
15
66°
53°
16
66°
52°
17
67°
52°
18
76°
48°
19
69°
49°
20
73°
49°
21
70°
48°
22
69°
48°
23
70°
49°
24
69°
49°
25
70°
52°
26
71°
52°
27
72°
53°
28
72°
52°
29
73°
60°
30
73°
53°
31
80°
53°
1
73°
60°
2
74°
56°
3
79°
54°
4
76°
59°
5
80°
54°
6
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Richboro
Richboro's May 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 41° and 60°. The average high for May is 70° with an average low of 50°. 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 Richboro. See also: June | July | August.