10-Day Weather Forecast - Cost, TX

Mostly sunny. Not as cool with highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph.

Mostly clear. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph.

Mostly sunny. Highs in the upper 80s. South winds 5 to 10 mph becoming northeast in the afternoon.

Clear. Lows in the upper 50s. North winds 5 to 10 mph.

Mostly sunny. Highs in the lower 80s.

Clear. Lows in the mid 50s. Highs in the mid 80s.

Clear. Lows in the mid 50s. Highs in the mid 80s.

Clear in the evening then becoming partly cloudy. Lows in the upper 50s.

Partly cloudy. Highs in the mid 80s. Lows around 60.

Partly cloudy. Highs in the mid 80s. Lows around 60.

Partly cloudy. Highs in the mid 80s. Lows around 60.

Partly cloudy. Highs in the mid 80s. Lows around 60.

Partly cloudy. Highs in the mid 80s. Lows around 60.

Cloudy. Low temperature around 64F. Dew point will be around 59F with an average humidity of 80%. Winds will be 8 mph from the SE.

Cloudy with a 40% chance for rain and thunderstorms. High temperature around 78F. Dew point will be around 63F with an average humidity of 69%. Winds will be 12 mph from the SE.

Mostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 66F. Dew point will be around 63F with an average humidity of 82%. Winds will be 10 mph from the SE.

Cloudy with a 45% chance for rain and thunderstorms. High temperature around 79F. Dew point will be around 64F with an average humidity of 68%. Winds will be 13 mph from the SE.

Mostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 67F. Dew point will be around 64F with an average humidity of 80%. Winds will be 12 mph from the SE.