S
M
T
W
T
F
S
26
70°
58°
27
69°
57°
28
69°
58°
29
70°
57°
30
71°
55°
1
70°
55°
2
72°
57°
3
73°
55°
4
71°
55°
5
68°
54°
6
67°
55°
7
67°
56°
8
69°
56°
9
70°
55°
10
70°
54°
11
66°
51°
12
66°
52°
13
67°
50°
14
66°
53°
15
66°
53°
16
65°
52°
17
65°
51°
18
70°
50°
19
70°
46°
20
71°
48°
21
71°
51°
22
70°
48°
23
67°
51°
24
67°
51°
25
65°
50°
26
67°
52°
27
67°
46°
28
69°
46°
29
64°
44°
30
64°
45°
31
65°
48°
1
64°
49°
2
63°
44°
3
63°
44°
4
66°
47°
5
67°
49°
6
67°
50°
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 63° to 73°, with overnight lows between 44° and 58°. The average high for May is 68° with an average low of 51°. 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.
