S
M
T
W
T
F
S
29
50°
27°
30
69°
31°
31
69°
42°
1
42°
33°
2
42°
30°
3
72°
34°
4
49°
33°
5
46°
31°
6
41°
25°
7
31°
19°
8
50°
16°
9
64°
32°
10
46°
32°
11
50°
30°
12
62°
34°
13
69°
52°
14
72°
53°
15
72°
49°
16
66°
51°
17
65°
48°
18
69°
37°
19
45°
27°
20
39°
24°
21
59°
26°
22
71°
37°
23
65°
42°
24
55°
38°
25
52°
38°
26
59°
37°
27
61°
47°
28
58°
41°
29
56°
40°
30
55°
41°
1
50°
37°
2
51°
36°
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 71°, with overnight lows between 36° and 47°. The average high for April is 58° with an average low of 39°. 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.
