S
M
T
W
T
F
S
29
58°
27°
30
70°
48°
31
80°
63°
1
82°
57°
2
57°
42°
3
69°
42°
4
81°
46°
5
71°
46°
6
58°
41°
7
55°
34°
8
53°
28°
9
61°
30°
10
71°
40°
11
66°
47°
12
68°
41°
13
80°
48°
14
86°
62°
15
89°
60°
16
90°
64°
17
82°
63°
18
73°
50°
19
54°
36°
20
53°
30°
21
56°
43°
22
62°
47°
23
75°
48°
24
73°
46°
25
51°
45°
26
57°
43°
27
61°
46°
28
58°
49°
29
63°
46°
30
62°
47°
1
65°
49°
2
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Stony Brook
Stony Brook's April 2026 forecast shows daily high temperatures ranging from 51° to 75°, with overnight lows between 30° and 49°. The average high for April is 62° with an average low of 45°. 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 Stony Brook. See also: May | June | July.
