S
M
T
W
T
F
S
26
68°
42°
27
58°
48°
28
61°
43°
29
52°
35°
30
51°
30°
1
48°
29°
2
61°
30°
3
72°
42°
4
73°
38°
5
53°
34°
6
49°
28°
7
54°
30°
8
68°
30°
9
61°
33°
10
60°
27°
11
60°
29°
12
78°
38°
13
64°
44°
14
72°
32°
15
82°
49°
16
84°
54°
17
61°
47°
18
79°
59°
19
67°
42°
20
59°
41°
21
62°
45°
22
60°
48°
23
66°
48°
24
74°
55°
25
78°
54°
26
81°
55°
27
79°
55°
28
77°
54°
29
78°
53°
30
80°
54°
31
74°
51°
1
78°
56°
2
75°
55°
3
69°
52°
4
70°
51°
5
73°
57°
6
77°
58°
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 59° to 81°, with overnight lows between 41° and 59°. The average high for May is 73° with an average low of 52°. 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.
