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5-day forecast / Princeton, TX

FridaySunny99° / 75°
SaturdaySunny99° / 75°
SundayMostly Sunny99° / 74° 8%
MondayChance Rain Showers then Slight Chance Showers And Thunderstorms94° / 72° 45%
TuesdayMostly Sunny93° / 70° 12%

Princeton Heat and Air Quality Alert: Highs Near 99F - Sep 18, 2 PM

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

Princeton residents face intense heat with current temperatures at 93F and an active Air Quality Alert. Expect sunny skies and highs near 99F today and tomorrow, with no rain expected.

Vera Yoder

September 18, 20261 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 18, 2 PM local time.*

Current Conditions and Heat

Princeton is experiencing significant heat this afternoon, with the air temperature currently sitting at 93 degrees Fahrenheit. The combination of warmth and humidity makes it feel like 95 degrees. Relative humidity stands at 39 percent, while the dew point is 64 degrees.

Winds are blowing from the south southeast at 10 miles per hour, with gusts reaching the same speed. The sky remains mostly clear, allowing direct sunlight to intensify the thermal load on the community.

Today and Tonight Outlook

The day will remain sunny with a high near 99 degrees. There is no chance of precipitation, and heat index values are expected to reach as high as 101 degrees. As evening approaches, skies will stay clear.

Temperatures will drop to a low around 75 degrees, though they may rise slightly to around 77 degrees overnight. The heat index will remain elevated, reaching up to 99 degrees. Winds will shift to the south, blowing at approximately 5 miles per hour.

Tomorrow and Safety

Tomorrow will mirror today’s conditions, featuring sunny skies and a high near 99 degrees. Temperatures may fall to around 97 degrees in the afternoon, but heat index values will again peak at 101 degrees. There is zero chance of rain.

Winds will continue from the south at 5 to 10 miles per hour. Tonight, skies will be mostly clear with a low around 75 degrees, rising to 77 degrees. Heat index values will reach 98 degrees.

An Air Quality Alert is currently active for the region. Given the extreme heat and air quality concerns, it is prudent to stay hydrated, limit midday exertion, and check on vulnerable neighbors.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Vera Yoder

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

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