S
M
T
W
T
F
S
1
55°
21°
2
44°
23°
3
47°
24°
4
42°
30°
5
48°
28°
6
49°
33°
7
61°
38°
8
53°
30°
9
40°
26°
10
44°
18°
11
44°
26°
12
45°
29°
13
40°
27°
14
35°
24°
15
39°
17°
16
46°
28°
17
66°
31°
18
67°
36°
19
64°
42°
20
60°
36°
21
51°
29°
22
52°
25°
23
59°
22°
24
46°
35°
25
49°
27°
26
48°
22°
27
57°
22°
28
52°
26°
29
43°
24°
30
45°
18°
31
53°
22°
1
55°
30°
2
52°
35°
3
57°
34°
4
67°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Princeton
Princeton's March 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for March is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how March weather will actually feel in Princeton. See also: April | May | June.
