S
M
T
W
T
F
S
26
49°
30°
27
45°
26°
28
49°
32°
29
50°
31°
30
48°
26°
1
57°
19°
2
65°
22°
3
67°
40°
4
65°
34°
5
39°
27°
6
48°
25°
7
64°
38°
8
68°
35°
9
68°
31°
10
67°
28°
11
79°
42°
12
79°
37°
13
86°
38°
14
70°
46°
15
72°
42°
16
72°
28°
17
55°
34°
18
30°
18°
19
41°
12°
20
51°
31°
21
54°
35°
22
53°
34°
23
67°
44°
24
74°
45°
25
75°
46°
26
76°
44°
27
68°
42°
28
72°
45°
29
77°
48°
30
73°
44°
31
79°
45°
1
66°
43°
2
67°
42°
3
65°
37°
4
72°
45°
5
73°
45°
6
70°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sinclair
Sinclair's May 2026 forecast shows daily high temperatures ranging from 30° to 79°, with overnight lows between 12° and 48°. The average high for May is 65° with an average low of 39°. 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 Sinclair. See also: June | July | August.
