Live Weather & Forecast
Weather in Princeton
New Jersey, United States · Real-time conditions & 3-day outlook
26°C
Feels like 26°C
79°F / Feels 79°F
Sunny
Princeton, New Jersey
🌞 Daytime
Updated: 2026-04-13 15:15
Humidity
44%
Wind
28.4 km/h WSW
Wind Gust
32.9 km/h
Pressure
1016 mb
Visibility
16 km
UV Index
3.7
(Moderate)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
14.7°C
Wind Degree
246°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
187.9 μg/m³
NO₂
10.7 μg/m³
O₃
100 μg/m³
SO₂
4 μg/m³
PM 2.5
8.6 μg/m³
PM 10
9 μg/m³
Today's Hourly Forecast
24-hour breakdown for Princeton, New Jersey
12 AM
8°
Clear
1 AM
8°
Clear
2 AM
9°
Clear
3 AM
9°
Overcast
4 AM
9°
Clear
5 AM
9°
Partly Cloudy
6 AM
10°
Partly Cloudy
7 AM
11°
Partly Cloudy
8 AM
13°
Overcast
9 AM
15°
Partly Cloudy
10 AM
18°
Sunny
11 AM
21°
Sunny
12 PM
24°
Sunny
1 PM
27°
Sunny
2 PM
28°
Sunny
3 PM
26°
Sunny
4 PM
29°
Sunny
5 PM
29°
Sunny
6 PM
26°
Sunny
7 PM
22°
Patchy rain nearby
8 PM
20°
Patchy rain nearby
9 PM
19°
Clear
10 PM
18°
Clear
11 PM
17°
Clear
3-Day Forecast
Daily overview for Princeton, New Jersey
Today
Patchy rain nearby
30°
/
8°
🌧️ 77% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 28.4 km/h
🌧️ Total precip: 3.63 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
31°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 23.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Sunny
32°
/
18°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 24.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:20 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Princeton
Plan your trip to Princeton, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Princeton?
Current conditions in Princeton: Sunny, temperature 26°C, humidity 44%.
What is the best time to visit Princeton?
The best time to visit Princeton is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Princeton?
Princeton is located at approximately 40.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Princeton?
The wettest period in Princeton is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Princeton?
For visits to Princeton during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Princeton in?
Princeton is located in United States, in the state of New Jersey.
What are the public holidays in Princeton in 2026?
View the 2026 public holidays for Princeton on our Holidays page.
What are the GPS coordinates used for the weather forecast in Princeton?
The weather forecast for Princeton uses coordinates 40.3497, -74.6597.