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5-day forecast / Richardson, TX

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

Humid Heat Returns to Richardson as Temperatures Climb Near 100 - Aug 9, 5 AM

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

Richardson faces a humid start with a dew point of 72F. Sunny skies and highs near 98F are expected today, with heat index values reaching 103F. No weather alerts are in effect.

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, 5 AM local time.*

Current Conditions and Humidity

It is currently Sunday this morning in Richardson, TX, and the air feels heavy with moisture. The current air temperature stands at 81F, but the heat index makes it feel like 85F. Relative humidity is sitting at 74%, with a dew point of 72F indicating quite humid conditions. The sky is clear, and winds are light at 6 mph, though gusts have reached 15 mph.

Today and Tonight Forecast

Sunny skies will dominate the day ahead. Highs will reach near 98F, with a very low chance of precipitation at just 3%. The National Weather Service notes that heat index values will climb as high as 103F during the afternoon hours. South winds will blow between 5 to 10 mph.

As the day transitions to tonight, conditions will remain mostly clear. Temperatures will drop to a low around 77F, though they may rise slightly to around 79F later in the night. South winds will continue at 5 to 10 mph. Despite the cooling trend, the heat index is expected to remain elevated, with values as high as 101F noted for the overnight period.

Tomorrow Outlook

Tomorrow will bring another day of sunny skies and continued warmth. Highs are forecast to reach near 99F, with the chance of rain dropping to just 1%. Heat index values will peak around 102F.

Winds will pick up slightly, blowing south around 10 mph with gusts as high as 20 mph. Overnight, skies will stay clear with a low around 80F, potentially rising to 82F later in the night.

Safety Reminder

With temperatures nearing 100F and high humidity levels, the risk of heat-related illness increases. It is crucial to stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Check on elderly neighbors or those who may be vulnerable to extreme heat, and ensure pets have access to cool, shaded areas and fresh water.

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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