S
M
T
W
T
F
S
29
51°
17°
30
69°
27°
31
62°
47°
1
60°
37°
2
42°
35°
3
61°
37°
4
56°
43°
5
49°
39°
6
43°
25°
7
40°
25°
8
48°
16°
9
61°
36°
10
72°
44°
11
55°
31°
12
58°
50°
13
72°
54°
14
76°
56°
15
77°
56°
16
70°
50°
17
69°
45°
18
66°
40°
19
62°
44°
20
66°
45°
21
65°
43°
22
66°
36°
23
55°
35°
24
57°
41°
25
59°
41°
26
57°
40°
27
57°
39°
28
58°
39°
29
58°
37°
30
61°
37°
1
61°
44°
2
69°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Greenwich
Greenwich's April 2026 forecast shows daily high temperatures ranging from 55° to 77°, with overnight lows between 31° and 56°. The average high for April is 64° with an average low of 43°. 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 Greenwich. See also: May | June | July.
