S
M
T
W
T
F
S
26
60°
35°
27
71°
30°
28
63°
51°
29
56°
47°
30
55°
37°
1
51°
30°
2
52°
29°
3
55°
38°
4
68°
49°
5
76°
52°
6
59°
47°
7
55°
35°
8
51°
36°
9
54°
39°
10
58°
43°
11
61°
42°
12
57°
41°
13
60°
45°
14
65°
46°
15
64°
47°
16
73°
50°
17
72°
50°
18
73°
49°
19
69°
45°
20
74°
50°
21
73°
49°
22
73°
42°
23
65°
41°
24
65°
42°
25
66°
43°
26
66°
43°
27
67°
44°
28
66°
43°
29
67°
43°
30
67°
44°
31
69°
53°
1
69°
47°
2
70°
45°
3
70°
52°
4
72°
51°
5
71°
48°
6
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Big Flats
Big Flats's May 2026 forecast shows daily high temperatures ranging from 51° to 76°, with overnight lows between 29° and 55°. The average high for May is 66° with an average low of 45°. 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 Big Flats. See also: June | July | August.
