Expires:202512212230;;963631 FPUS54 KEWX 210923 ZFPEWX Zone Forecast Product for South Central Texas National Weather Service Austin/San Antonio TX 323 AM CST Sun Dec 21 2025 TXZ191-212230- Hays- Including the city of San Marcos 323 AM CST Sun Dec 21 2025 .TODAY...Mostly sunny this morning, then becoming partly cloudy. Highs in the upper 60s. North winds 5 to 10 mph with gusts up to 20 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50. North winds around 5 mph. .MONDAY...Mostly cloudy in the morning, then becoming partly cloudy. More humid with highs in the mid 70s. Southeast winds around 5 mph, becoming south with gusts up to 20 mph in the afternoon. .MONDAY NIGHT...Partly cloudy in the evening, then becoming cloudy. Not as cool with lows in the lower 60s. South winds 5 to 10 mph. .TUESDAY...Cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s. South winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60. .WEDNESDAY...Cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60. .CHRISTMAS DAY...Cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s. .THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy. Lows around 60. Highs in the lower 80s. $$