| National Weather Service Forecast for:
Austin TX Issued by: National Weather Service Austin/San Antonio, TX |
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| Updated: 2:44 am CDT Aug 20, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 79. South wind around 5 mph. |
| Thursday |
Partly sunny, then gradually becoming sunny and hot, with a high near 104. Heat index values as high as 109. South southeast wind around 5 mph. |
| Thursday Night |
Mostly clear, with a low around 79. South wind around 5 mph. |
| Friday |
Mostly sunny and hot, with a high near 104. Heat index values as high as 109. Calm wind becoming south southeast around 5 mph in the afternoon. |
| Friday Night |
Mostly clear, with a low around 80. South southeast wind around 5 mph becoming calm after midnight. |
| Saturday |
Sunny and hot, with a high near 105. Calm wind becoming south southeast around 5 mph in the afternoon. |
| Saturday Night |
Mostly clear, with a low around 81. South southeast wind around 5 mph. |
| Sunday |
Sunny and hot, with a high near 105. Calm wind becoming south southeast around 5 mph in the afternoon. |
| Sunday Night |
Mostly clear, with a low around 80. South wind around 5 mph. |
| Monday |
Sunny and hot, with a high near 104. |
| Monday Night |
Mostly clear, with a low around 80. |
| Tuesday |
Sunny and hot, with a high near 103. |
| Tuesday Night |
Clear, with a low around 79. |
| Wednesday |
Sunny and hot, with a high near 103. |
Forecast from NOAA-NWS for Austin TX.
