S
M
T
W
T
F
S
29
73°
37°
30
80°
54°
31
86°
64°
1
71°
60°
2
80°
62°
3
83°
66°
4
74°
47°
5
58°
41°
6
63°
40°
7
55°
43°
8
74°
39°
9
80°
54°
10
77°
52°
11
75°
59°
12
87°
63°
13
77°
62°
14
82°
65°
15
79°
59°
16
72°
53°
17
73°
55°
18
73°
56°
19
72°
55°
20
72°
56°
21
74°
54°
22
70°
45°
23
68°
52°
24
73°
52°
25
74°
51°
26
68°
47°
27
67°
48°
28
69°
51°
29
75°
54°
30
73°
55°
1
74°
53°
2
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Princeton
Princeton's April 2026 forecast shows daily high temperatures ranging from 67° to 87°, with overnight lows between 45° and 65°. The average high for April is 74° 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 April weather will actually feel in Princeton. See also: May | June | July.
