S
M
T
W
T
F
S
29
43°
24°
30
45°
18°
31
53°
22°
1
55°
30°
2
52°
35°
3
57°
34°
4
67°
29°
5
71°
28°
6
73°
30°
7
58°
37°
8
63°
23°
9
67°
24°
10
71°
26°
11
63°
36°
12
61°
41°
13
57°
44°
14
53°
37°
15
46°
27°
16
50°
26°
17
55°
28°
18
63°
32°
19
69°
37°
20
76°
39°
21
77°
48°
22
65°
46°
23
55°
29°
24
62°
33°
25
70°
38°
26
68°
37°
27
69°
38°
28
71°
38°
29
72°
35°
30
54°
29°
1
53°
29°
2
54°
30°
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 50° to 77°, with overnight lows between 26° and 48°. The average high for April is 64° with an average low of 35°. 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.
