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5-day forecast / Princeton, TX

SundayMostly Sunny96° / 78° 12%
MondaySunny100° / 78° 2%
TuesdaySunny102° / 81°
WednesdaySunny102° / 80° 1%
ThursdaySunny99° / 79° 2%

Princeton Heat and Humidity Climb to 99F Tomorrow - Jul 19, 4 AM

Princeton weather, updated every four hours — local forecasts you can trust.

Princeton, TX, faces rising temperatures and high humidity this week. Today reaches 96F with a heat index of 103F, climbing to 99F tomorrow with a heat index of 105F.

Vera Yoder

July 19, 20262 min read

National Weather Service radar for North Texas (KFWS)
National Weather Service radar for North Texas (KFWS)

*As of Jul 19, 4 AM local time.*

Current Conditions and Humidity

It is currently Sunday overnight in Princeton, Texas, and the air remains thick with moisture. The current air temperature sits at 79F, but the high relative humidity of 84% makes it feel like 82F. The dew point is recorded at 73F, indicating quite humid conditions that linger into the night.

Skies are clear, offering no relief from the muggy atmosphere. Winds are light, blowing at 6 mph with gusts reaching up to 9 mph.

Forecast for Today and Tomorrow

The heat will intensify significantly over the next 48 hours. Today is expected to be sunny with a high near 96F and a low near 77F. The National Weather Service indicates heat index values as high as 103F during the day.

South southwest winds will range from 5 to 10 mph. There is only a 14% chance of precipitation, so residents should expect dry, hot conditions.

Tomorrow brings even higher temperatures. The high will approach 99F under sunny skies, with a low near 79F. Heat index values are forecast to reach as high as 105F. Winds will shift to the southwest around 5 mph. The chance of rain drops to just 2%, ensuring another dry and sweltering day.

Overnight tonight, temperatures will rise to around 79F before settling to a low around 78F. Skies will remain mostly clear with south winds of 5 to 10 mph. Heat index values may reach 102F. Tomorrow night will be clear with a low around 79F and south southwest winds around 5 mph.

Safety Reminder

With heat indices exceeding 100F, extreme caution is advised. Stay hydrated by drinking water frequently, even if you do not feel thirsty. Limit outdoor exertion during the hottest parts of the day, typically between 10 a.m. and 4 p.m.

Wear lightweight, light-colored clothing and seek air-conditioned environments when possible. Check on elderly neighbors and those without reliable cooling to ensure their safety during this period of intense heat and humidity.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

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Vera Yoder

Vera Yoder covers weather, storms, and seasonal life around Princeton.

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