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5-day forecast / Richardson, TX

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

Humidity Peaks in Richardson as Heat Builds Toward Weekend - Jun 21, 4 AM

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

Richardson residents face high humidity with a dew point of 73F today. Temperatures will climb to 92F, with heat indices reaching 103F. A slight chance of storms arrives tomorrow.

Reese Janssen

June 21, 20262 min read

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

As of Jun 21, 4 AM local time.

Current Conditions and Humidity

It is currently Sunday overnight in Richardson, and the air remains thick with moisture. The current air temperature sits at 77F, but the high relative humidity of 89% makes it feel like 79F. The dew point is recorded at 73F, indicating quite humid conditions that linger despite the clear sky.

Winds are blowing at 7 mph, though gusts have reached 26 mph, adding a bit of movement to the heavy air.

Forecast for Today and Tonight

As the sun rises, Richardson will see mostly sunny skies. The high today is expected to reach near 92F. While the chance of precipitation is low at just 5%, the heat will be intense.

The National Weather Service notes that heat index values will climb as high as 103F. Winds will shift to the south southwest, blowing between 10 to 15 mph with gusts up to 25 mph.

Tonight, the sky will transition to mostly clear conditions before becoming partly cloudy later. Temperatures will drop to a low around 76F initially, but the heat index will remain elevated, with values as high as 103F. Winds will continue from the south at 10 to 15 mph, with gusts potentially reaching 30 mph. The low will eventually settle around 79F as the night progresses.

Tomorrow Outlook

Tomorrow, the heat will intensify further with a high near 96F. The sky will be partly sunny, and the heat index is forecast to reach as high as 107F. There is a slight chance of showers and thunderstorms, with a 22% chance of precipitation.

Specifically, these storms are possible between 7am and 4pm. Winds will remain from the south at 10 to 15 mph, with gusts up to 25 mph.

Later tomorrow night, conditions will turn partly cloudy with a low around 78F. A slight chance of showers and thunderstorms persists between 7pm and 1am, with a 20% chance of precipitation. Winds will slow slightly to around 10 mph, with gusts up to 20 mph.

Safety Reminder

With heat indices exceeding 100F, it is crucial to stay hydrated and limit midday exertion. Check on neighbors and pets, and seek air-conditioned spaces during the hottest parts of the day.

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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