S
M
T
W
T
F
S
26
62°
46°
27
76°
44°
28
72°
55°
29
60°
46°
30
57°
41°
1
51°
37°
2
49°
32°
3
61°
32°
4
72°
58°
5
66°
47°
6
56°
41°
7
55°
38°
8
62°
46°
9
61°
44°
10
64°
46°
11
61°
44°
12
62°
47°
13
65°
51°
14
63°
48°
15
65°
47°
16
69°
50°
17
73°
49°
18
73°
54°
19
71°
53°
20
75°
53°
21
72°
50°
22
67°
46°
23
65°
46°
24
67°
47°
25
67°
49°
26
68°
48°
27
68°
48°
28
69°
49°
29
70°
49°
30
69°
53°
31
76°
56°
1
70°
53°
2
72°
54°
3
75°
59°
4
76°
58°
5
76°
60°
6
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Prospect
Prospect's May 2026 forecast shows daily high temperatures ranging from 55° to 80°, with overnight lows between 38° and 61°. The average high for May is 68° 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 Prospect. See also: June | July | August.
