S
M
T
W
T
F
S
26
62°
43°
27
71°
39°
28
72°
49°
29
56°
47°
30
53°
38°
1
45°
38°
2
43°
35°
3
60°
31°
4
72°
46°
5
70°
48°
6
56°
42°
7
57°
36°
8
57°
43°
9
69°
50°
10
60°
43°
11
62°
36°
12
66°
36°
13
66°
43°
14
60°
39°
15
69°
35°
16
72°
52°
17
83°
59°
18
87°
62°
19
88°
65°
20
67°
49°
21
67°
47°
22
61°
48°
23
75°
55°
24
68°
58°
25
73°
55°
26
78°
60°
27
78°
55°
28
71°
47°
29
74°
50°
30
68°
45°
31
67°
46°
1
68°
51°
2
69°
52°
3
70°
53°
4
74°
57°
5
77°
58°
6
76°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sterling
Sterling's May 2026 forecast shows daily high temperatures ranging from 67° to 78°, with overnight lows between 45° and 60°. The average high for May is 73° with an average low of 53°. 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 Sterling. See also: June | July | August.