S
M
T
W
T
F
S
26
85°
74°
27
89°
77°
28
90°
75°
29
87°
73°
30
89°
69°
1
69°
57°
2
76°
55°
3
79°
54°
4
82°
56°
5
83°
68°
6
86°
73°
7
81°
69°
8
77°
70°
9
83°
67°
10
88°
68°
11
85°
66°
12
81°
62°
13
85°
66°
14
86°
71°
15
82°
72°
16
82°
73°
17
85°
71°
18
84°
71°
19
86°
73°
20
85°
75°
21
86°
70°
22
87°
71°
23
84°
71°
24
84°
70°
25
85°
70°
26
84°
71°
27
82°
70°
28
83°
69°
29
84°
69°
30
84°
67°
31
85°
69°
1
85°
68°
2
86°
69°
3
83°
70°
4
84°
71°
5
86°
73°
6
87°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Iowa Colony
Iowa Colony's May 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 62° and 75°. The average high for May is 84° with an average low of 70°. 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 Iowa Colony. See also: June | July | August.
