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Weather in Princeton, New Jersey for October 2026

Your guide to Princeton weather in October - trends and predictions

    Temperatures

  • In general, the average temperature in Princeton at the beginning of October is 21.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.4 °F by the end of October.

    • Rain 🌧️

  • With an average of 2 rainy days, Princeton experiences minimal rainfall in October.

    • More

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Average dry days
29
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/8°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Princeton Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
19°
2
Overcast
18°
3
Cloudy
20°
4
Fog
25°
5
Partly cloudy
25°
6
Partly cloudy
23°
7
Moderate or heavy rain with thunder
22°
8
Cloudy
19°
9
Sunny
17°
10
Sunny
16°
11
Sunny
18°
12
Overcast
19°
13
Overcast
19°
14
Partly cloudy
18°
15
Cloudy
15°
16
Sunny
16°
17
Sunny
14°
18
Sunny
18°
19
Sunny
22°
20
Mist
20°
21
Sunny
23°
22
Sunny
24°
23
Mist
20°
24
Overcast
15°
25
Sunny
15°
26
Light rain shower
16°
27
Overcast
12°
28
Sunny
13°
29
Overcast
13°
30
Fog
16°
31
Fog
23°

Temperatures trend during October in Princeton

See the weather trend as well as the moving average line

October weather in Princeton day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Overcast
Overcast
 19° /12° 0 mm 5
Oct. 2 Overcast
Overcast
 18° /12° 0 mm 5
Oct. 3 Cloudy
Cloudy
 20° /11° 0 mm 5
Oct. 4 Fog
Fog
 25° /14° 0 mm 6
Oct. 5 Partly cloudy
Partly cloudy
 25° /13° 0 mm 6
Oct. 6 Partly cloudy
Partly cloudy
 23° /11° 0 mm 6
Oct. 7 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 22° /13° 4.1 mm 5
Oct. 8 Cloudy
Cloudy
 19° /10° 35.7 mm 5
Oct. 9 Sunny
Sunny
 17° /8° 0 mm 5
Oct. 10 Sunny
Sunny
 16° /4° 0 mm 5
Oct. 11 Sunny
Sunny
 18° /5° 0 mm 5
Oct. 12 Overcast
Overcast
 19° /11° 22.2 mm 5
Oct. 13 Overcast
Overcast
 19° /11° 23.4 mm 5
Oct. 14 Partly cloudy
Partly cloudy
 18° /9° 0.3 mm 5
Oct. 15 Cloudy
Cloudy
 15° /6° 0 mm 4
Oct. 16 Sunny
Sunny
 16° /4° 0 mm 5
Oct. 17 Sunny
Sunny
 14° /2° 0 mm 4
Oct. 18 Sunny
Sunny
 18° /5° 0 mm 5
Oct. 19 Sunny
Sunny
 22° /8° 0 mm 6
Oct. 20 Mist
Mist
 20° /8° 13.2 mm 5
Oct. 21 Sunny
Sunny
 23° /7° 0 mm 7
Oct. 22 Sunny
Sunny
 24° /11° 0 mm 6
Oct. 23 Mist
Mist
 20° /7° 0 mm 5
Oct. 24 Overcast
Overcast
 15° /5° 0 mm 4
Oct. 25 Sunny
Sunny
 15° /3° 0 mm 5
Oct. 26 Light rain shower
Light rain shower
 16° /7° 0.5 mm 5
Oct. 27 Overcast
Overcast
 12° /5° 0 mm 3
Oct. 28 Sunny
Sunny
 13° /2° 0 mm 4
Oct. 29 Overcast
Overcast
 13° /5° 5.2 mm 3
Oct. 30 Fog
Fog
 16° /8° 30.8 mm 4
Oct. 31 Fog
Fog
 23° /10° 0 mm 5
Next
Important Notice
Our weather forecast for Princeton in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Princeton forecast closer to your planned date for the most up-to-date weather information.
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Princeton in October - FAQ

What are the expected maximum and minimum temperatures in Princeton during October?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Princeton during October?
Rainfall in Princeton during October is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Princeton during October?
The average wind speed in Princeton during October is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Princeton

Explore the daily rainfall trends and prepare for Princetons October weather 💧

UV exposure in Princeton during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

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Location coordinates Where is Princeton?

Get accurate weather forecasts for Princeton, located at latitude 40.349 and longitude -74.659. Stay updated with localized weather information tailored for Princeton.

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