S
M
T
W
T
F
S
26
60°
46°
27
61°
47°
28
62°
46°
29
59°
44°
30
54°
42°
1
53°
41°
2
54°
41°
3
54°
40°
4
55°
42°
5
55°
42°
6
56°
41°
7
56°
41°
8
60°
42°
9
64°
44°
10
66°
47°
11
65°
46°
12
62°
47°
13
61°
47°
14
60°
45°
15
57°
45°
16
58°
44°
17
57°
43°
18
61°
43°
19
63°
45°
20
59°
48°
21
59°
48°
22
60°
49°
23
58°
46°
24
57°
45°
25
58°
46°
26
59°
48°
27
60°
51°
28
60°
52°
29
63°
46°
30
65°
44°
31
63°
54°
1
62°
52°
2
59°
46°
3
61°
47°
4
63°
46°
5
65°
53°
6
67°
51°
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 53° to 67°, with overnight lows between 40° and 54°. The average high for May is 60° with an average low of 46°. 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.
