S
M
T
W
T
F
S
26
58°
41°
27
69°
41°
28
61°
43°
29
63°
52°
30
70°
46°
1
64°
43°
2
63°
43°
3
63°
41°
4
73°
47°
5
80°
58°
6
72°
61°
7
64°
53°
8
72°
43°
9
70°
57°
10
78°
50°
11
63°
52°
12
66°
45°
13
74°
55°
14
65°
54°
15
72°
52°
16
80°
49°
17
86°
63°
18
90°
63°
19
91°
68°
20
90°
69°
21
72°
57°
22
63°
52°
23
56°
51°
24
64°
55°
25
73°
61°
26
76°
65°
27
79°
63°
28
78°
56°
29
76°
62°
30
78°
52°
31
75°
55°
1
77°
58°
2
75°
59°
3
78°
60°
4
80°
61°
5
84°
65°
6
84°
66°
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 75° to 84°, with overnight lows between 52° and 66°. The average high for May is 78° with an average low of 60°. 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.