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5-day forecast / Richardson, TX

SundaySunny98° / 80° 3%
MondaySunny99° / 80° 1%
TuesdaySunny99° / 81°
WednesdaySunny99° / 80°
ThursdaySunny102° / 80°

Richardson Heat and Humidity Dominate Weekend Forecast - Aug 9, 8 AM

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

High humidity and near-100-degree temperatures define the weather in Richardson this weekend. Residents should prepare for oppressive heat indices and clear skies.

Reese Janssen

August 9, 20262 min read

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

*As of Aug 9, 8 AM local time.*

Current Conditions and Humidity

It is currently Sunday this morning in Richardson, TX, where the air is already thick with moisture. The current air temperature stands at 81F, but the relative humidity of 79% and a dew point of 73F make it feel significantly warmer, with a feels-like temperature of 85F. The sky remains clear, but the heavy humidity is the defining feature of the atmosphere right now.

Winds are light at 6 mph, though gusts are reaching up to 20 mph, adding a slight breeze to the stagnant heat.

Weekend Forecast Overview

The heat will intensify as the day progresses. Today is expected to be sunny with a high near 98F. The National Weather Service indicates heat index values as high as 103, meaning the air will feel dangerously hot despite the clear skies.

The chance of precipitation is minimal at just 3%, so residents can expect dry conditions throughout the day. South winds will pick up slightly, blowing between 5 to 10 mph.

As the sun sets tonight, the temperature will drop to a low near 80F. While the sky will clear, the heat will linger, with heat index values remaining as high as 101. South winds will continue around 10 mph.

Looking ahead to tomorrow, the pattern remains consistent with sunny skies and a high near 99F. Heat indices will climb to 102, with south winds around 10 mph and gusts as high as 20 mph. The chance of rain drops to 1%, ensuring another dry day.

Safety Reminders

With heat indices pushing into the 100s, it is crucial to prioritize safety. Hydrate frequently and limit midday exertion to avoid heat-related illnesses. Check on elderly neighbors or those without air conditioning, as the overnight lows will not provide significant relief from the oppressive humidity. Stay indoors during the peak heat hours and wear lightweight, light-colored clothing if you must be outside.

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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Reese Janssen

Reese Janssen covers weather, storms, and seasonal life around Richardson.

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