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City of Richardson, TexasRichardson, TX 7-Day Weather Forecast
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Richardson Weather Forecast
Richardson, TX Weather Forecast Date: 609 PM CDT Thu Sep 17 2026
Weather forecast for Richardson, TX
Tonight Lo: 79°F Lo: 26°C |
Tonight... Mostly clear. Lows in the upper 70s. South winds around 5 mph. |
Fri Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Friday... Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph, becoming southeast in the afternoon. |
| Sat Hi: 100°FHi: 38°C Lo: 75°F Lo: 24°C |
Saturday... Sunny, hot with highs around 100. South winds 5 to 10 mph. |
| Sun Hi: 100°FHi: 38°C Lo: 79°F Lo: 26°C |
Sunday... Mostly sunny. Hot with highs around 100. |
Mon Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Monday... Mostly sunny with a 30% chance of showers and thunderstorms. Hot with highs in the upper 90s. Heat index values up to 105. |
| Tue Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Tuesday... Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 20%. |
| Wed Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Wednesday... Mostly sunny. Highs in the upper 90s. |
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