S
M
T
W
T
F
S
26
37°
26°
27
33°
25°
28
33°
24°
29
35°
28°
30
39°
24°
1
42°
21°
2
45°
28°
3
50°
29°
4
33°
26°
5
30°
25°
6
31°
26°
7
43°
28°
8
44°
34°
9
39°
28°
10
42°
28°
11
52°
35°
12
56°
34°
13
63°
39°
14
58°
40°
15
59°
39°
16
67°
41°
17
56°
34°
18
59°
36°
19
60°
39°
20
66°
37°
21
60°
37°
22
64°
42°
23
63°
42°
24
61°
43°
25
66°
44°
26
68°
45°
27
68°
46°
28
71°
47°
29
72°
47°
30
71°
46°
31
64°
46°
1
69°
47°
2
70°
47°
3
72°
44°
4
63°
41°
5
62°
40°
6
64°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dauphin River
Dauphin River's May 2026 forecast shows daily high temperatures ranging from 39° to 72°, with overnight lows between 28° and 48°. The average high for May is 61° with an average low of 40°. 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 Dauphin River. See also: June | July | August.