The temperatures in Princeton in October are usually low and can range between 11°C and 18°C.
You can expect about 3 to 8 days of rain in Princeton during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Princeton in October 2025.
If you’re planning to visit Princeton in the near future, we highly recommend that you review the 14 day weather forecast for Princeton before you arrive.
Temperatures
18° / 11°
Rainy Days
5
Snowy Days
0
Dry Days
25
Rainfall
134
mm
Sun Hours
9.3
Hrs
