| National Weather Service Forecast for:
Houston TX Issued by: National Weather Service Houston, TX |
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| Updated: 1:21 am CDT Aug 20, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 79. Southwest wind around 5 mph. |
| Thursday |
Sunny and hot, with a high near 100. Heat index values as high as 107. Southwest wind around 5 mph. |
| Thursday Night |
Mostly clear, with a low around 81. Southwest wind 5 to 10 mph. |
| Friday |
Sunny and hot, with a high near 101. Heat index values as high as 110. Southwest wind around 5 mph becoming calm in the afternoon. |
| Friday Night |
Mostly clear, with a low around 81. South wind 5 to 10 mph. |
| Saturday |
Sunny and hot, with a high near 100. |
| Saturday Night |
Mostly clear, with a low around 81. |
| Sunday |
Sunny and hot, with a high near 99. |
| Sunday Night |
Mostly clear, with a low around 80. |
| Monday |
Sunny and hot, with a high near 99. |
| Monday Night |
Mostly clear, with a low around 81. |
| Tuesday |
Sunny, with a high near 97. |
| Tuesday Night |
Mostly clear, with a low around 80. |
| Wednesday |
Sunny and hot, with a high near 98. |
Forecast from NOAA-NWS for Houston TX.
