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Lacy, TX Weather Forecast
Lacy, TX Weather Forecast Date: 124 PM CDT Wed Sep 09 2026
The area/counties/county of: Trinity, including the cities of: Trinity and Groveton.or toggle through each period.
This Afternoon... Mostly sunny with a slight chance of showers and thunderstorms. Hot. Near steady temperature in the lower 90s. Southeast winds around 5 mph. Chance of rain 20%. Heat index values up to 105.
Tonight... Partly cloudy. A slight chance of showers in the evening. Humid with lows in the mid 70s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 20%.
Thursday... Mostly sunny. Hot with highs in the mid 90s. Light and variable winds, becoming south around 5 mph in the afternoon.
Thursday Night... Mostly clear. Lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable.
Friday... Sunny. Highs in the lower 90s. Light and variable winds, becoming south around 5 mph in the afternoon.
Friday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s.
Saturday... Mostly sunny. Highs in the mid 90s.
Saturday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s.
Sunday... Mostly sunny. Highs in the lower 90s.
Sunday Night... Partly cloudy in the evening, then clearing. Lows in the mid 70s.
Monday... Mostly sunny. Highs in the lower 90s.
Monday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s.
POP = Probability of Precipitation
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