S
M
T
W
T
F
S
26
79°
49°
27
81°
61°
28
62°
55°
29
64°
42°
30
67°
37°
1
64°
40°
2
61°
40°
3
78°
37°
4
81°
57°
5
63°
47°
6
60°
43°
7
67°
45°
8
78°
50°
9
73°
53°
10
67°
48°
11
70°
52°
12
71°
50°
13
76°
55°
14
76°
50°
15
73°
54°
16
77°
55°
17
75°
54°
18
74°
58°
19
78°
57°
20
73°
52°
21
76°
51°
22
70°
50°
23
70°
50°
24
71°
52°
25
70°
51°
26
71°
51°
27
72°
52°
28
73°
57°
29
74°
57°
30
78°
60°
31
75°
60°
1
74°
55°
2
75°
56°
3
76°
59°
4
77°
63°
5
79°
63°
6
77°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Big River Township
Big River Township's May 2026 forecast shows daily high temperatures ranging from 60° to 81°, with overnight lows between 43° and 64°. The average high for May is 73° with an average low of 54°. 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 Big River Township. See also: June | July | August.