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Weather in Princeton, United States 🇺🇸

Weather Forecast in Princeton

Current Weather in Princeton

Sunny
23°C
Feels like 25°C. Sunny.
🌬️ 9 km/h E
💧 50% Humidity
🧭 1024 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 6.9
🌡️ Dew Point: 14°C
🌅 Sunrise: 05:49 AM
🌇 Sunset: 08:21 PM
Map Overlays:

Princeton currently sits at 23°C, sunny, feeling like 25°C. Humidity sits at 50% and winds are near 9 km/h, and the UV index is 7 (high). In the days ahead, expect temperatures in Princeton from about 15°C to 31°C.

Hourly Forecast for Princeton

12:00
Sunny
29°
1%
13:00
Sunny
30°
1%
14:00
Sunny
31°
1%
15:00
Sunny
31°
1%
16:00
Sunny
31°
1%
17:00
Sunny
28°
1%
18:00
Sunny
27°
1%
19:00
Overcast
24°
9%
20:00
Partly Cloudy
22°
6%
21:00
Partly Cloudy
20°
6%
22:00
Partly Cloudy
20°
6%
23:00
Clear
19°
5%
00:00
Clear
18°
5%
01:00
Clear
17°
6%
02:00
Clear
17°
7%
03:00
Clear
16°
7%
04:00
Clear
16°
8%
05:00
Clear
16°
8%
06:00
Sunny
16°
9%
07:00
Sunny
17°
7%
08:00
Sunny
20°
4%
09:00
Sunny
22°
2%
10:00
Sunny
24°
1%
11:00
Sunny
26°
1%

14-Day Forecast for Princeton

Fri, Jul 24
Sunny Sunny
31° / 15°
Sat, Jul 25
Sunny Sunny
28° / 16°
Sun, Jul 26
Sunny Sunny
28° / 16°
Mon, Jul 27
Sunny Sunny
29° / 17°
Tue, Jul 28
Light rain shower Light rain shower
25° / 18°
Wed, Jul 29
Patchy rain nearby Patchy rain nearby
26° / 18°
Thu, Jul 30
Sunny Sunny
29° / 18°
Fri, Jul 31
Sunny Sunny
29° / 18°
Sat, Aug 01
Partly Cloudy Partly Cloudy
32° / 19°
Sun, Aug 02
Patchy rain nearby Patchy rain nearby
32° / 21°
Mon, Aug 03
Partly Cloudy Partly Cloudy
33° / 21°
Tue, Aug 04
Sunny Sunny
35° / 22°
Wed, Aug 05
Sunny Sunny
37° / 22°
Thu, Aug 06
Partly Cloudy Partly Cloudy
34° / 22°

Additional Forecasts for Princeton

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 140.0 μg/m³
O₃ (Ozone) 135.0 μg/m³
NO₂ (Nitrogen Dioxide) 3.0 μg/m³
SO₂ (Sulphur Dioxide) 1.3 μg/m³
PM2.5 (Fine particles) 10.8 μg/m³
PM10 (Coarse particles) 12.8 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in Princeton Today

The most comfortable window in Princeton today looks like 20:00 to 20:00, when it is around 22°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Princeton

What is the temperature in Princeton right now?

Princeton is sitting at 23°C (74°F) right now, sunny (feels like 25°C).

What's the weather like in Princeton right now?

Current weather in Princeton: Sunny, humidity 50%, wind 9 km/h E.

What is today's forecast for Princeton?

Today in Princeton: high 31°C, low 15°C, sunny. Chance of rain: 3%.

What is the 7-day weather forecast for Princeton?

Daily highs and lows for Princeton:

  • 2026-07-24: 31°C / 15°C
  • 2026-07-25: 28°C / 16°C
  • 2026-07-26: 28°C / 16°C
  • 2026-07-27: 29°C / 17°C
  • 2026-07-28: 25°C / 18°C
  • 2026-07-29: 26°C / 18°C
  • 2026-07-30: 29°C / 18°C
Is it going to rain in Princeton today?

There is a 3% chance of rain in Princeton today.

What is the wind speed in Princeton right now?

Wind in Princeton is currently 9 km/h (5 mph) from the E.

What is the UV index in Princeton right now?

The UV index in Princeton is currently 6.9 (high). Sun protection is recommended when the index is 3 or higher.

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