S
M
T
W
T
F
S
26
62°
38°
27
46°
35°
28
45°
36°
29
41°
36°
30
43°
39°
1
47°
40°
2
52°
39°
3
45°
40°
4
50°
39°
5
54°
41°
6
53°
43°
7
51°
42°
8
50°
42°
9
49°
41°
10
51°
40°
11
50°
39°
12
51°
36°
13
51°
41°
14
52°
42°
15
52°
40°
16
53°
40°
17
52°
41°
18
53°
42°
19
53°
43°
20
57°
44°
21
57°
43°
22
54°
42°
23
54°
44°
24
55°
43°
25
55°
43°
26
56°
44°
27
56°
42°
28
57°
45°
29
61°
47°
30
63°
48°
31
62°
47°
1
59°
46°
2
57°
47°
3
58°
45°
4
58°
46°
5
59°
48°
6
59°
49°
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 41° to 63°, with overnight lows between 36° and 49°. The average high for May is 53° with an average low of 42°. 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.
