Sunnyvale, TX

Current conditions, hourly and 7-day forecast, and live radar for Sunnyvale, TX 75182. Right now: mostly clear, 76°F. Data from the National Weather Service.

• Tonight: Mostly clear. Low around 76, with temperatures rising to around 78 overnight. South wind 5 to 10 mph.
• Thursday: A chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. Heat index values as high as 105. South wind around 5 mph. Chance of precipitation is 30%.
• Thursday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Heat index values as high as 103. Southeast wind around 5 mph. Chance of precipitation is 40%.
• Friday: Mostly sunny. High near 98, with temperatures falling to around 96 in the afternoon. Heat index values as high as 106. South wind around 5 mph.
• Friday Night: Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.
• Saturday: Sunny. High near 100, with temperatures falling to around 98 in the afternoon. South wind 5 to 10 mph.