S
M
T
W
T
F
S
26
73°
43°
27
72°
52°
28
63°
47°
29
56°
33°
30
56°
32°
1
55°
28°
2
62°
26°
3
74°
46°
4
80°
38°
5
58°
34°
6
50°
28°
7
63°
26°
8
73°
28°
9
68°
39°
10
66°
32°
11
65°
30°
12
80°
44°
13
68°
39°
14
74°
33°
15
85°
54°
16
84°
59°
17
63°
55°
18
79°
59°
19
65°
44°
20
64°
44°
21
61°
48°
22
60°
48°
23
66°
51°
24
76°
54°
25
77°
51°
26
77°
54°
27
81°
58°
28
79°
57°
29
79°
57°
30
80°
59°
31
81°
59°
1
85°
53°
2
78°
56°
3
72°
52°
4
73°
52°
5
76°
58°
6
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Blue River
Blue River's May 2026 forecast shows daily high temperatures ranging from 60° to 85°, with overnight lows between 44° and 59°. The average high for May is 74° with an average low of 53°. 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 Blue River. See also: June | July | August.