S
M
T
W
T
F
S
29
76°
48°
30
92°
45°
31
73°
46°
1
51°
40°
2
53°
43°
3
47°
34°
4
55°
32°
5
67°
30°
6
58°
39°
7
62°
36°
8
79°
46°
9
65°
35°
10
59°
49°
11
72°
61°
12
81°
59°
13
86°
60°
14
79°
49°
15
68°
44°
16
74°
46°
17
67°
44°
18
72°
50°
19
73°
47°
20
70°
44°
21
69°
45°
22
67°
46°
23
58°
46°
24
64°
48°
25
64°
45°
26
62°
48°
27
60°
50°
28
67°
51°
29
71°
50°
30
72°
48°
1
64°
43°
2
61°
44°
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 86°, with overnight lows between 35° and 61°. The average high for April is 69° 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.
