Princeton Rainfall Forecast

Today 22 Jul
85%
Thu 23 Jul
5%
Fri 24 Jul
No Rain
Sat 25 Jul
15%
Sun 26 Jul
15%
Mon 27 Jul
50%
Tue 28 Jul
30%

Princeton Rainfall Statistics

July Rainfall

Trenton, Mercer County Airport (9.3 miles)

Total Rainfall 2026
19.4in
Daily Average 2026
0.1in
Wettest Day 18 July, 2026
1.4in
Wet Days 2026
65/203 (32%)
Total Rainfall June
3in
Daily Average June
0.1in
Wettest Day 22 June, 2026
1.4in
Wet Days June
8/30 (27%)
Total Rainfall July
4.1in
Daily Average July
0.2in
Wettest Day 18 July, 2026
1.4in
Wet Days July
6/22 (27%)

Climate (2021–2025)

Trenton, Mercer County Airport (9.3 miles)

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Annual Average 2021–2025
40.9in
Monthly Average 2021–2026
3.4in
Daily Average 2021–2026
0.1in
Wettest Day 1 September, 2021
5.6in

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