S
M
T
W
T
F
S
29
37°
20°
30
28°
23°
31
28°
15°
1
33°
8°
2
37°
29°
3
42°
29°
4
42°
29°
5
34°
15°
6
31°
16°
7
34°
31°
8
39°
21°
9
38°
24°
10
42°
25°
11
43°
30°
12
44°
29°
13
43°
27°
14
43°
29°
15
46°
31°
16
48°
33°
17
51°
30°
18
47°
35°
19
48°
32°
20
47°
26°
21
51°
30°
22
54°
29°
23
45°
27°
24
46°
25°
25
48°
35°
26
59°
33°
27
61°
33°
28
62°
39°
29
64°
41°
30
64°
40°
1
63°
41°
2
66°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Grass River
Grass River's April 2026 forecast shows daily high temperatures ranging from 31° to 66°, with overnight lows between 15° and 43°. The average high for April is 48° with an average low of 30°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Grass River. See also: May | June | July.
