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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 builds toward a high near 101 with humid air in place - Aug 5, 8 AM

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

Richardson is already warm and humid, with 84F feeling like 88F under clear sky. Today stays sunny with a high near 101F and only a 3% chance of precipitation.

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, 8 AM local time.*

Very hot and humid now

Richardson’s notable weather issue is heat: it already feels like 88F, and today’s high is expected to reach near 101F. Humidity is adding to the discomfort, with relative humidity at 62% and a dew point of 70F.

Current conditions are clear sky, an air temperature of 84F and wind at 3 mph with gusts to 15 mph. That combination means the heat is noticeable even before temperatures climb closer to the day’s peak.

Sunny today, mostly clear tonight

Today is expected to stay sunny, with a high near 101F and a 3% chance of precipitation. The heat index may rise as high as 104F. South wind is forecast at 5 to 10 mph.

Tonight should be mostly clear, with a low near 81F. Heat index values may still be as high as 102F, and south wind is expected around 10 mph.

Tomorrow continues the same hot pattern: sunny, with a high near 100F, a low near 80F and a 3% chance of precipitation. Heat index values may reach as high as 105F. Wind is forecast from the south southwest at 5 to 10 mph.

No active alerts, but use heat caution

NWS/NOAA lists no active weather alerts for Richardson.

Even without an alert, this level of heat can wear people down. Drink water, take breaks in cooler places when possible, limit strenuous exertion in the hottest conditions, and check on people who may not have reliable cooling. Keep pets supplied with water and avoid letting them linger on hot surfaces.

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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