S
M
T
W
T
F
S
26
31°
16°
27
49°
13°
28
56°
23°
29
60°
27°
30
68°
29°
1
74°
30°
2
64°
42°
3
73°
34°
4
56°
35°
5
50°
25°
6
73°
20°
7
71°
41°
8
71°
35°
9
67°
43°
10
78°
33°
11
66°
42°
12
77°
31°
13
80°
48°
14
65°
46°
15
64°
44°
16
62°
32°
17
46°
25°
18
57°
31°
19
64°
38°
20
60°
41°
21
67°
43°
22
63°
38°
23
68°
42°
24
75°
46°
25
75°
43°
26
64°
41°
27
65°
43°
28
72°
49°
29
80°
55°
30
68°
48°
31
67°
47°
1
69°
48°
2
72°
48°
3
73°
50°
4
74°
49°
5
67°
49°
6
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Milk River
Milk River's May 2026 forecast shows daily high temperatures ranging from 46° to 80°, with overnight lows between 25° and 55°. The average high for May is 67° with an average low of 43°. 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 Milk River. See also: June | July | August.