S
M
T
W
T
F
S
26
80°
54°
27
83°
61°
28
67°
53°
29
66°
48°
30
65°
39°
1
63°
42°
2
61°
39°
3
76°
54°
4
79°
58°
5
68°
46°
6
61°
42°
7
65°
44°
8
69°
52°
9
74°
53°
10
74°
55°
11
76°
57°
12
75°
55°
13
76°
54°
14
69°
46°
15
75°
60°
16
75°
60°
17
79°
61°
18
79°
60°
19
78°
61°
20
79°
61°
21
78°
60°
22
79°
59°
23
73°
56°
24
75°
61°
25
79°
62°
26
75°
57°
27
73°
56°
28
75°
58°
29
75°
55°
30
80°
63°
31
83°
63°
1
82°
64°
2
83°
64°
3
84°
63°
4
77°
60°
5
77°
57°
6
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pomona
Pomona's May 2026 forecast shows daily high temperatures ranging from 61° to 84°, with overnight lows between 39° and 64°. The average high for May is 75° with an average low of 56°. 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 Pomona. See also: June | July | August.
