S
M
T
W
T
F
S
29
63°
39°
30
82°
46°
31
76°
46°
1
46°
37°
2
72°
40°
3
61°
44°
4
52°
42°
5
54°
36°
6
52°
37°
7
47°
30°
8
74°
39°
9
71°
50°
10
62°
39°
11
63°
56°
12
71°
59°
13
80°
62°
14
81°
59°
15
76°
52°
16
77°
48°
17
66°
47°
18
59°
41°
19
65°
43°
20
69°
43°
21
66°
44°
22
64°
40°
23
58°
46°
24
67°
47°
25
69°
45°
26
60°
40°
27
59°
40°
28
62°
48°
29
69°
50°
30
71°
50°
1
71°
47°
2
62°
45°
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 58° to 81°, with overnight lows between 39° and 62°. The average high for April is 67° with an average low of 48°. 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.
