S
M
T
W
T
F
S
26
77°
57°
27
87°
71°
28
81°
65°
29
73°
55°
30
67°
53°
1
74°
48°
2
73°
40°
3
81°
55°
4
81°
63°
5
78°
62°
6
66°
45°
7
71°
46°
8
77°
54°
9
82°
61°
10
79°
56°
11
81°
58°
12
80°
61°
13
83°
61°
14
83°
58°
15
81°
59°
16
82°
63°
17
76°
62°
18
76°
64°
19
82°
64°
20
81°
63°
21
83°
57°
22
76°
56°
23
77°
58°
24
76°
60°
25
74°
58°
26
76°
57°
27
77°
58°
28
78°
59°
29
79°
63°
30
81°
66°
31
80°
67°
1
80°
67°
2
81°
63°
3
79°
68°
4
82°
68°
5
80°
69°
6
80°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mill Creek
Mill Creek's May 2026 forecast shows daily high temperatures ranging from 66° to 83°, with overnight lows between 40° and 69°. The average high for May is 79° with an average low of 60°. 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 Mill Creek. See also: June | July | August.
