| National Weather Service Forecast for:
Pecan Grove, TX Issued by: National Weather Service Houston/Galveston/Dickinson, TX |
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| Updated: Mon, 21-Sep-2026 1:06am CDT | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly cloudy, with a low around 77. Southeast wind around 0 mph. |
| Monday |
A slight chance of rain showers between noon and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 105. East wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Monday Night |
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Heat index values as high as 101. Southeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 98. Heat index values as high as 105. Northeast wind 0 to 5 mph. Chance of precipitation is 20%. |
| Tuesday Night |
Mostly clear, with a low around 78. East wind 0 to 5 mph. |
| Wednesday |
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Chance of precipitation is 20%. |
| Wednesday Night |
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 78. Chance of precipitation is 20%. |
| Thursday |
Mostly sunny, with a high near 96. |
| Thursday Night |
Partly cloudy, with a low around 75. |
| Friday |
Mostly sunny, with a high near 94. |
| Friday Night |
Partly cloudy, with a low around 74. |
| Saturday |
Mostly sunny, with a high near 96. |
| Saturday Night |
Partly cloudy, with a low around 74. |
| Sunday |
Mostly sunny, with a high near 94. |
Forecast from NOAA-NWS for Pecan Grove, TX.