Local Forecast for Austin, TX Currently 84.0°F HI: 87°F LO: 66°F Extended Forecast This Afternoon Mostly sunny, with a high near 87. South wind between 10 and 15 mph. Tonight Increasing clouds, with a low around 66. South wind between 5 and 15 mph. Sunday Partly sunny, with a high near 88. South southeast wind between 5 and 10 mph. Sunday Night Increasing clouds, with a low around 65. Southeast wind 5 to 10 mph becoming southwest. Monday Mostly sunny, with a high near 89. Calm wind becoming south southeast around 5 mph. Monday Night Partly cloudy, with a low around 68. South southwest wind around 5 mph. Tuesday Mostly sunny, with a high near 90. Southwest wind between 5 and 10 mph. Tuesday Night Partly cloudy, with a low around 67. South wind around 10 mph. Wednesday Partly sunny, with a high near 89. South wind between 10 and 15 mph, with gusts as high as 20 mph. Wednesday Night Mostly cloudy, with a low around 69. Thursday Partly sunny, with a high near 89. Thursday Night Mostly cloudy, with a low around 71. Friday Partly sunny, with a high near 89.