Local Forecast

Cost, TX Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Cost, TX

No Active Alerts

Hour-by-Hour  Current Observation

Thursday 7:10 PM CDTThursday 7:10 PM

°F °C
Regional Observations →
95°F

Clear and Windy

  • 100° / 77° High / Low
  • 101° Feels Like
  • 0% Chance of Rain

Wind

20 mph

SSE

UV Index

2

Low

Humidity

44%

Dew 69°F

Sun

6:57 AM · 8:12 PM

Rise · Set

Source: SAN MARCOS (KHYI). Slider scrubs the next 12 hours.

5-Day Outlook

Through Monday

Local Radar →

Tonight

77°

Mostly Cloudy

Detailed forecast

Tonight

Partly cloudy, with a low around 77. Heat index values as high as 105. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

Friday

98° 77°

Isolated T-storm

Overnight: Mostly Cloudy

Detailed forecast

Friday

A slight chance of rain showers between 10am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 98. Heat index values as high as 106. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Night

A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. Heat index values as high as 104. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Saturday

100° 73°

Mostly Sunny

Overnight: Partly Cloudy

Detailed forecast

Saturday

Mostly sunny, with a high near 99. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

Night

Mostly clear, with a low around 73. South southeast wind 0 to 15 mph, with gusts as high as 20 mph.

Sunday

100° 75°

Partly Sunny

Overnight: Mostly Clear

Detailed forecast

Sunday

Sunny, with a high near 99. South southeast wind 0 to 5 mph.

Night

Mostly clear, with a low around 74. South wind 0 to 10 mph.

Monday

100° 75°

Sunny

Overnight: Clear

Detailed forecast

Monday

Sunny, with a high near 99. South wind 0 to 5 mph.

Night

Clear, with a low around 75.

Cost, TX Weather Analysis Tools