10-Day Weather Forecast - Cost, TX

Partly cloudy with a chance of showers and thunderstorms. Humid with highs in the mid 90s. Southeast winds 5 to 10 mph. Chance of rain 40 percent.

Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph.

Partly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. Southeast winds 5 to 10 mph. Chance of rain 40 percent. Highest heat index readings up to 105.

Mostly clear. Lows in the mid 70s. Southeast winds 5 to 10 mph in the evening, becoming light and variable.

Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Highest heat index readings up to 105.

Mostly clear. A slight chance of showers after midnight. Lows in the mid 70s.

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Highest heat index readings up to 105.

Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s.

Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Highest heat index readings up to 105.

Partly cloudy. Lows in the lower 70s.

Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Highest heat index readings up to 105.

Partly cloudy. Lows in the lower 70s. Highest heat index readings up to 105.

Partly cloudy. Highs in the mid 90s. Highest heat index readings up to 105.

Partly cloudy with scattered thunderstorms. Chance of storms 35%. Low temperature around 76F. Dew point will be around 76F with an average humidity of 85%. Winds will be 6 mph from the SE.

Mostly sunny with widely scattered thunderstorms. Chance of storms 30%. High temperature around 96F. Dew point will be around 76F with an average humidity of 70%. Winds will be 7 mph from the SE.

Partly cloudy with scattered thunderstorms. Chance of storms 35%. Low temperature around 75F. Dew point will be around 77F with an average humidity of 86%. Winds will be 7 mph from the SE.

Mostly sunny with scattered thunderstorms. Chance of storms 35%. High temperature around 97F. Dew point will be around 77F with an average humidity of 71%. Winds will be 7 mph from the SE.

Partly cloudy with scattered thunderstorms. Chance of storms 40%. Low temperature around 75F. Dew point will be around 77F with an average humidity of 88%. Winds will be 7 mph from the SE.