| National Weather Service Forecast for:
Pecan Grove, TX Issued by: National Weather Service Houston/Galveston/Dickinson, TX |
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| Updated: Mon, 17-Aug-2026 1:20pm CDT | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 99. Heat index values as high as 103. South wind 0 to 5 mph. |
| Tonight |
Mostly clear, with a low around 77. Heat index values as high as 104. South wind 0 to 10 mph. |
| Tuesday |
Mostly sunny, with a high near 98. Heat index values as high as 106. Southwest wind 0 to 5 mph. |
| Tuesday Night |
Partly cloudy, with a low around 78. Heat index values as high as 104. South wind 5 to 10 mph. |
| Wednesday |
Mostly sunny, with a high near 99. Southwest wind around 5 mph. |
| Wednesday Night |
Partly cloudy, with a low around 77. |
| Thursday |
Mostly sunny, with a high near 100. |
| Thursday Night |
Mostly clear, with a low around 78. |
| Friday |
Sunny, with a high near 100. |
| Friday Night |
Mostly clear, with a low around 78. |
| Saturday |
Sunny, with a high near 100. |
| Saturday Night |
Mostly clear, with a low around 77. |
| Sunday |
Sunny, with a high near 99. |
| Sunday Night |
Mostly clear, with a low around 76. |
Forecast from NOAA-NWS for Pecan Grove, TX.