Back to Weather

5-day forecast / Princeton, TX

MondaySunny101° / 78° 2%
TuesdaySunny102° / 81°
WednesdaySunny102° / 80° 1%
ThursdaySunny99° / 79° 2%
FridaySunny99° / 79° 1%

Princeton Heat Index Hits 105 Tomorrow Amid Humid Start - Jul 19, 8 AM

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

High humidity and rising temperatures define the forecast for Princeton. Dew points are currently at 73F, with heat index values expected to reach 105F by tomorrow. No severe weather alerts are active.

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, 8 AM local time.*

Current Conditions and Humidity

Princeton is experiencing a notably humid start to the day. As of this Sunday morning, the air temperature stands at 81F, but the high moisture content in the atmosphere makes it feel significantly warmer. The current feels-like temperature is 85F.

Relative humidity is sitting at 79%, with a dew point of 73F. Winds are light, blowing at 6 mph with gusts reaching up to 17 mph, under a clear sky.

Today and Tonight Forecast

Temperatures will climb significantly throughout the day. The high today is expected to reach near 96F, while the low tonight will settle around 78F. The sky will be sunny initially, but there is a slight chance of showers and thunderstorms developing after 4pm.

The chance of precipitation is listed at 15% for the day, though the official forecast notes a 20% chance in the late afternoon.

Overnight, conditions will remain mostly clear with a slight chance of showers and thunderstorms before 7pm. Temperatures will rise to around 80F during the night. The heat index will remain high, with values as high as 102F. Winds will shift to a south direction at 5 to 10 mph.

Tomorrow Outlook

The heat will intensify as the week progresses. Tomorrow will be sunny with a high near 99F. The heat index is projected to reach as high as 105F. Winds will be light from the southwest around 5 mph. The chance of precipitation drops to just 2% for the day.

Safety Reminder

With heat index values approaching 105F, the risk of heat-related illness increases. It is important to stay hydrated and limit midday exertion. Check on neighbors and loved ones who may be vulnerable to extreme heat. While there are no active National Weather Service alerts or warnings in effect, the combination of high temperatures and humidity requires caution.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

Share

Vera Yoder

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

Related Stories

More in Sport