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5-day forecast / Richardson, TX

TuesdaySunny101° / 81°
WednesdaySunny102° / 82°
ThursdayMostly Sunny102° / 83°
FridaySunny103° / 83° 4%
SaturdaySunny101° / 78° 9%

Richardson Heat and Humidity Rise to Near 100 Degrees - Jul 19, 4 AM

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

High humidity and soaring temperatures define the forecast for Richardson this week. Current conditions show a dew point of 73F, with highs near 98F today and 100F tomorrow.

Reese Janssen

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 Richardson, and the air feels heavy with moisture. The air temperature stands at 84F, but the heat index makes it feel like 91F. Relative humidity is at 70%, with a dew point of 73F indicating quite humid conditions. Winds are blowing at 7 mph with gusts reaching 17 mph, while the sky remains clear.

Today and Tonight Forecast

Today will be sunny with a high near 98F and a low near 78F. The chance of precipitation is 12%. According to the National Weather Service, heat index values will reach as high as 104 during the day. South southwest winds will range from 5 to 10 mph.

Tonight, skies will be mostly clear. Temperatures will drop to a low around 78, but will rise to around 80 overnight. South winds will decrease to around 5 mph.

The heat index will remain elevated, with values as high as 100. Note that the official forecast also lists a low around 79 with temperatures rising to around 81 overnight under south winds of 5 to 10 mph; readers should expect warm, humid nights.

Tomorrow Outlook

Tomorrow will also be sunny, with a high near 100F and a low near 81F. The chance of precipitation drops to just 1%. Heat index values are expected to reach as high as 104 again.

Southwest winds will be around 5 mph. Tomorrow night will be clear, with a low around 81 and temperatures rising to around 83 overnight. South southwest winds will be 5 to 10 mph.

Safety Reminder

With temperatures near 100F and high humidity, the risk of heat-related illness increases significantly. 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.

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

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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