S
M
T
W
T
F
S
29
65°
26°
30
76°
31°
31
56°
36°
1
39°
31°
2
35°
31°
3
40°
32°
4
44°
32°
5
53°
31°
6
44°
25°
7
40°
13°
8
70°
31°
9
57°
39°
10
53°
30°
11
57°
45°
12
73°
58°
13
78°
58°
14
71°
50°
15
65°
45°
16
65°
43°
17
64°
38°
18
59°
39°
19
61°
42°
20
65°
42°
21
63°
41°
22
59°
36°
23
52°
39°
24
53°
40°
25
54°
36°
26
54°
32°
27
56°
35°
28
57°
44°
29
63°
46°
30
67°
45°
1
63°
42°
2
56°
40°
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 52° to 78°, with overnight lows between 30° and 58°. The average high for April is 61° with an average low of 42°. 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.
