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5-day forecast / Richardson, TX

WednesdaySunny101° / 81° 3%
ThursdaySunny100° / 80° 3%
FridaySunny100° / 81° 1%
SaturdaySunny100° / 80° 2%
SundaySunny99° / 80° 1%

Richardson heat already feels like 92F; high near 101F today - Aug 5, 4 AM

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

Richardson is hot and humid as of Wednesday overnight, with 86F air, a 92F feel, and a dew point of 72F. Sunny skies and highs near 101F today and 100F tomorrow are expected.

Reese Janssen

August 5, 20261 min read

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

*As of Aug 5, 4 AM local time.*

Hot and humid now

Very hot weather is already the main story in Richardson as of Wednesday overnight. The air temperature is 86F, and it feels like 92F. Humidity is high enough to make the air feel heavy, with relative humidity at 62% and a dew point of 72F. Winds are light at 3 mph, with gusts to 13 mph, and the sky is clear.

Today, tonight and tomorrow

Today stays sunny and hotter, with a high near 101F. The heat index may reach 104, so the air can feel more oppressive than the thermometer alone suggests. The chance of precipitation is 3%, and south wind is expected at 5 to 10 mph.

Tonight remains mostly clear. The low is forecast around 81F. Heat index values may still be as high as 102, and south wind is expected around 10 mph.

Tomorrow looks sunny again, with a high near 100F and a low near 80F. The chance of precipitation remains 3%. Heat index values may reach 105, with south southwest wind at 5 to 10 mph.

Alerts and heat reminders

There are no active NWS/NOAA weather alerts for Richardson in the provided forecast.

Even without an alert, this is serious heat. Drink water, take breaks from strenuous outdoor activity, and check on people or pets who may struggle in hot, humid weather. Light clothing and shaded or air-conditioned breaks can help reduce heat stress.

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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