78537 Weather (Donna, TX)

Weather forecast for: Donna TX

Last Update: 4:30 am CDT Sep 7, 2026

Labor Day: A slight chance of showers and thunderstorms between 2pm and 4pm. Sunny and hot, with a high near 100. Heat index values as high as 110. Southeast wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Tonight: Mostly clear, with a low around 79. South southeast wind 6 to 14 mph, with gusts as high as 23 mph.

Tuesday: Mostly sunny and hot, with a high near 100. Heat index values as high as 111. Southeast wind 5 to 11 mph, with gusts as high as 21 mph.

Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 79. Southeast wind 5 to 14 mph, with gusts as high as 24 mph.

Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. Light east southeast wind increasing to 5 to 10 mph in the morning.

Wednesday Night: Mostly clear, with a low around 78. East southeast wind 5 to 11 mph, with gusts as high as 20 mph.

Thursday: Sunny and hot, with a high near 100. South southeast wind 5 to 9 mph.

Thursday Night: Mostly clear, with a low around 79. South southeast wind 10 to 13 mph, with gusts as high as 25 mph.

Friday: Sunny and hot, with a high near 102. South southeast wind 9 to 15 mph, with gusts as high as 25 mph.

Friday Night: Mostly clear, with a low around 79. South southeast wind 13 to 16 mph, with gusts as high as 30 mph.

Saturday: Sunny and hot, with a high near 101. South southeast wind 11 to 17 mph, with gusts as high as 30 mph.

Saturday Night: Mostly clear, with a low around 80.

Sunday: Sunny and hot, with a high near 100.