S
M
T
W
T
F
S
26
71°
33°
27
75°
35°
28
71°
37°
29
69°
38°
30
53°
45°
1
62°
36°
2
50°
37°
3
51°
36°
4
62°
44°
5
73°
53°
6
59°
45°
7
54°
36°
8
50°
30°
9
52°
36°
10
56°
37°
11
59°
37°
12
57°
38°
13
58°
40°
14
59°
40°
15
60°
40°
16
68°
45°
17
67°
44°
18
69°
46°
19
69°
45°
20
66°
45°
21
66°
46°
22
67°
46°
23
62°
40°
24
60°
40°
25
62°
41°
26
63°
47°
27
63°
43°
28
64°
41°
29
63°
41°
30
63°
42°
31
65°
49°
1
67°
45°
2
65°
42°
3
66°
49°
4
70°
50°
5
67°
49°
6
68°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cornish Flat
Cornish Flat's May 2026 forecast shows daily high temperatures ranging from 50° to 73°, with overnight lows between 30° and 53°. The average high for May is 62° with an average low of 43°. 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 Cornish Flat. See also: June | July | August.
