S
M
T
W
T
F
S
26
68°
52°
27
65°
43°
28
68°
40°
29
72°
35°
30
60°
31°
1
61°
27°
2
69°
32°
3
65°
34°
4
61°
32°
5
63°
27°
6
64°
30°
7
63°
49°
8
57°
41°
9
N/A
10
53°
38°
11
57°
41°
12
58°
41°
13
60°
40°
14
56°
38°
15
53°
42°
16
52°
42°
17
54°
44°
18
55°
43°
19
58°
48°
20
62°
52°
21
60°
45°
22
55°
46°
23
56°
45°
24
55°
44°
25
54°
45°
26
50°
40°
27
50°
40°
28
51°
39°
29
48°
39°
30
49°
40°
31
52°
40°
1
50°
39°
2
49°
39°
3
50°
38°
4
49°
39°
5
49°
40°
6
50°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Flag Swamp
Flag Swamp's May 2026 forecast shows daily high temperatures ranging from 48° to 62°, with overnight lows between 38° and 52°. The average high for May is 53° with an average low of 42°. 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 Flag Swamp. See also: June | July | August.