78644 Weather (Lockhart, TX)

Weather forecast for: Lockhart TX

Last Update: 12:44 am CDT Sep 14, 2026

Overnight: Partly cloudy, with a low around 75. South wind around 5 mph.

Monday: Mostly sunny and hot, with a high near 99. Heat index values as high as 105. Light south wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Monday Night: Mostly clear, with a low around 75. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

Tuesday: Mostly sunny and hot, with a high near 101. Heat index values as high as 105. South wind 5 to 10 mph.

Tuesday Night: Mostly clear, with a low around 74. Southeast wind 10 to 15 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.

Wednesday: Mostly sunny and hot, with a high near 99. Light southeast wind becoming east southeast 5 to 10 mph in the afternoon.

Wednesday Night: Partly cloudy, with a low around 74. East southeast wind 5 to 10 mph becoming light southeast after midnight.

Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 96. Light east northeast wind becoming east 5 to 10 mph in the morning.

Thursday Night: Mostly cloudy, with a low around 72. East southeast wind 5 to 10 mph becoming light and variable in the evening.

Friday: Mostly sunny, with a high near 97.

Friday Night: Mostly clear, with a low around 70.

Saturday: Sunny, with a high near 97.

Saturday Night: Partly cloudy, with a low around 72.

Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.