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Weather in Princeton, United States 🇺🇸

Current Weather in Princeton

Sunny
27°C
Feels like 26°C. Sunny.
🌬️ 9 km/h NNW
💧 40% Humidity
🧭 1020 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 4.7
🌡️ Dew Point: 12°C
🌅 Sunrise: 06:31 AM
🌇 Sunset: 07:21 PM
Map Overlays:

Princeton currently sits at 27°C, sunny, feeling like 26°C. Humidity sits at 40% and winds are near 9 km/h, and the UV index is 5 (moderate). In the days ahead, expect temperatures in Princeton from about 14°C to 31°C.

Hourly Forecast for Princeton

16:00
Sunny
28°
1%
17:00
Sunny
26°
1%
18:00
Sunny
25°
1%
19:00
Sunny
23°
2%
20:00
Overcast
22°
11%
21:00
Overcast
21°
11%
22:00
Partly Cloudy
21°
7%
23:00
Cloudy
20°
9%
00:00
Partly Cloudy
18°
6%
01:00
Clear
18°
5%
02:00
Clear
18°
5%
03:00
Clear
17°
6%
04:00
Overcast
17°
18%
05:00
Clear
17°
6%
06:00
Clear
17°
7%
07:00
Sunny
17°
6%
08:00
Sunny
18°
5%
09:00
Sunny
21°
3%
10:00
Cloudy
23°
8%
11:00
Overcast
25°
10%
12:00
Overcast
26°
10%
13:00
Overcast
27°
10%
14:00
Overcast
28°
9%
15:00
Overcast
28°
9%

14-Day Forecast for Princeton

Mon, Sep 07
Sunny Sunny
28° / 14°
Tue, Sep 08
Overcast Overcast
28° / 17°
Wed, Sep 09
Sunny Sunny
31° / 19°
Thu, Sep 10
Patchy rain nearby Patchy rain nearby
26° / 20°
Fri, Sep 11
Sunny Sunny
26° / 14°
Sat, Sep 12
Sunny Sunny
29° / 15°
Sun, Sep 13
Overcast Overcast
24° / 20°
Mon, Sep 14
Overcast Overcast
30° / 20°
Tue, Sep 15
Overcast Overcast
30° / 18°
Wed, Sep 16
Light rain shower Light rain shower
18° / 13°
Thu, Sep 17
Sunny Sunny
21° / 10°
Fri, Sep 18
Sunny Sunny
25° / 13°
Sat, Sep 19
Sunny Sunny
25° / 14°
Sun, Sep 20
Sunny Sunny
27° / 16°

Additional Forecasts for Princeton

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 133.0 μg/m³
O₃ (Ozone) 92.0 μg/m³
NO₂ (Nitrogen Dioxide) 0.5 μg/m³
SO₂ (Sulphur Dioxide) 0.4 μg/m³
PM2.5 (Fine particles) 1.6 μg/m³
PM10 (Coarse particles) 1.6 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 17:00 to 20:00, when it is around 24°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 27°C (81°F) right now, sunny (feels like 26°C).

What's the weather like in Princeton right now?

Current weather in Princeton: Sunny, humidity 40%, wind 9 km/h NNW.

What is today's forecast for Princeton?

Today in Princeton: high 28°C, low 14°C, sunny. Chance of rain: 4%.

What is the 7-day weather forecast for Princeton?

Daily highs and lows for Princeton:

  • 2026-09-07: 28°C / 14°C
  • 2026-09-08: 28°C / 17°C
  • 2026-09-09: 31°C / 19°C
  • 2026-09-10: 26°C / 20°C
  • 2026-09-11: 26°C / 14°C
  • 2026-09-12: 29°C / 15°C
  • 2026-09-13: 24°C / 20°C
Is it going to rain in Princeton today?

There is a 4% chance of rain in Princeton today.

What is the wind speed in Princeton right now?

Wind in Princeton is currently 9 km/h (6 mph) from the NNW.

What is the UV index in Princeton right now?

The UV index in Princeton is currently 4.7 (moderate). Sun protection is recommended when the index is 3 or higher.

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