Dangerous Heat Index Hits 101F in Princeton as Temperatures Climb - Jul 18, 4 PM

*As of Jul 18, 4 PM local time.*

Dangerous Heat Arrives in Princeton

Princeton is currently under the influence of dangerous heat, with the air temperature at 93F and a heat index making it feel like 101F. The atmosphere is quite humid, with a dew point of 72F and relative humidity holding at 50%. Clear skies dominate the landscape, while south winds blow at 15 mph with gusts reaching 18 mph.

Forecast for Today and Tomorrow

Today, the sun will remain mostly out, pushing the high near 95F. The heat index is expected to climb as high as 103F. South winds will continue around 15 mph.

There is only a 1% chance of precipitation. As tonight approaches, skies will become partly cloudy. Temperatures will drop to a low near 76F, though they may rise slightly to around 78F overnight.

The heat index will remain elevated, reaching up to 100F. South winds will ease to between 5 and 15 mph.

Tomorrow brings another day of intense heat. The sky will be sunny, with a high near 97F. The heat index is forecast to peak at 104F.

South southwest winds will be lighter, ranging from 5 to 10 mph. The chance of precipitation remains very low at 3%. As tomorrow night settles in, conditions will be mostly clear with a low around 77F.

The heat index will stay high at 102F, with south winds continuing at 5 to 10 mph.

Safety Reminders

With heat indices exceeding 100F, the risk of heat-related illness is significant. It is critical to stay hydrated by drinking plenty of water, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

If you must be outside, seek shade or air-conditioned spaces frequently. Check on elderly neighbors and those who may be vulnerable to extreme heat. Never leave people or pets in parked vehicles, as temperatures inside can rise rapidly to life-threatening levels.

Be aware of the signs of heat exhaustion and heat stroke, and seek medical attention immediately if symptoms appear.

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Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com