S
M
T
W
T
F
S
29
75°
35°
30
60°
42°
31
61°
34°
1
54°
28°
2
43°
22°
3
54°
29°
4
63°
35°
5
68°
41°
6
67°
38°
7
66°
38°
8
61°
35°
9
56°
33°
10
59°
35°
11
63°
39°
12
67°
38°
13
66°
39°
14
59°
33°
15
64°
40°
16
65°
41°
17
65°
41°
18
64°
40°
19
58°
39°
20
54°
33°
21
52°
33°
22
52°
34°
23
53°
33°
24
54°
38°
25
59°
41°
26
66°
41°
27
61°
39°
28
61°
42°
29
67°
43°
30
69°
45°
1
69°
45°
2
71°
46°
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 43° to 71°, with overnight lows between 22° and 46°. The average high for April is 61° with an average low of 37°. 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.
