78387 Weather (Sinton, TX)

Weather forecast for: Sinton TX

Last Update: 6:06 pm CDT Sep 6, 2026

Tonight: Mostly clear, with a low around 79. South wind 5 to 11 mph.

Labor Day: Sunny, with a high near 96. Heat index values as high as 111. Light south wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

Monday Night: Mostly clear, with a low around 79. Southeast wind 5 to 14 mph, with gusts as high as 20 mph.

Tuesday: Sunny, with a high near 96. Heat index values as high as 113. Light south southeast wind becoming southeast 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night: Mostly clear, with a low around 79. Southeast wind 9 to 14 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.

Wednesday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 95. Light southeast wind increasing to 6 to 11 mph in the afternoon. Chance of precipitation is 40%.

Wednesday Night: Mostly clear, with a low around 78. Southeast wind 6 to 11 mph becoming light south after midnight. Winds could gust as high as 18 mph.

Thursday: Mostly sunny, with a high near 96. Light south wind becoming southeast 6 to 11 mph in the morning.

Thursday Night: Mostly clear, with a low around 78. Southeast wind 10 to 14 mph, with gusts as high as 21 mph.

Friday: Sunny and hot, with a high near 97.

Friday Night: Mostly clear, with a low around 78.

Saturday: Sunny, with a high near 96.

Saturday Night: Mostly clear, with a low around 79.

Sunday: Mostly sunny, with a high near 95.