S
M
T
W
T
F
S
26
39°
36°
27
46°
36°
28
57°
41°
29
45°
36°
30
41°
34°
1
41°
30°
2
64°
32°
3
68°
37°
4
61°
41°
5
46°
36°
6
45°
34°
7
54°
36°
8
64°
32°
9
57°
46°
10
50°
37°
11
45°
32°
12
52°
37°
13
59°
45°
14
45°
39°
15
82°
39°
16
73°
41°
17
41°
39°
18
54°
41°
19
47°
37°
20
56°
38°
21
60°
41°
22
50°
44°
23
54°
46°
24
52°
47°
25
57°
50°
26
62°
51°
27
59°
50°
28
65°
51°
29
64°
53°
30
56°
40°
31
58°
48°
1
59°
50°
2
58°
50°
3
62°
49°
4
61°
50°
5
65°
51°
6
61°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Middle River
Middle River's May 2026 forecast shows daily high temperatures ranging from 41° to 65°, with overnight lows between 37° and 53°. The average high for May is 57° with an average low of 46°. 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 Middle River. See also: June | July | August.