S
M
T
W
T
F
S
29
63°
36°
30
73°
50°
31
85°
59°
1
87°
65°
2
65°
46°
3
74°
46°
4
81°
57°
5
74°
52°
6
61°
46°
7
57°
43°
8
52°
34°
9
60°
38°
10
70°
47°
11
71°
56°
12
69°
49°
13
82°
57°
14
90°
63°
15
93°
64°
16
90°
67°
17
82°
69°
18
75°
58°
19
60°
48°
20
56°
41°
21
59°
49°
22
71°
50°
23
79°
53°
24
76°
52°
25
61°
47°
26
62°
52°
27
66°
54°
28
67°
57°
29
69°
52°
30
66°
54°
1
67°
53°
2
68°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Union Square
Union Square's April 2026 forecast shows daily high temperatures ranging from 59° to 79°, with overnight lows between 47° and 57°. The average high for April is 68° with an average low of 52°. 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 Union Square. See also: May | June | July.
