10-Day Weather Forecast - San Juan, TX

Mostly sunny. Hot with highs around 102. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 111.

Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 108 early in the evening.

Mostly sunny. Hot with highs around 101. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 109.

Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening.

Mostly sunny. Hot with highs around 100. Heat index values up to 110.

Partly cloudy in the evening, then clearing. Lows in the upper 70s. Heat index values up to 105 early in the evening.

Sunny, hot with highs around 100. Heat index values up to 110.

Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 110.

Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening.

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 110.

Mostly clear with a 45% chance for rain and thunderstorms. Low temperature around 82F. Dew point will be around 75F with an average humidity of 72%. Winds will be 12 mph from the SE.

Mostly sunny with a 40% chance for rain and thunderstorms. High temperature around 100F. Dew point will be around 74F with an average humidity of 57%. Winds will be 11 mph from the SE.

Mostly clear with a 45% chance for rain and thunderstorms. Low temperature around 82F. Dew point will be around 76F with an average humidity of 72%. Winds will be 13 mph from the SE.

Sunny with widely scattered thunderstorms. Chance of storms 30%. High temperature around 99F. Dew point will be around 74F with an average humidity of 58%. Winds will be 13 mph from the SE.

Clear with scattered thunderstorms. Chance of storms 40%. Low temperature around 81F. Dew point will be around 76F with an average humidity of 72%. Winds will be 14 mph from the SE.

Sunny with scattered thunderstorms. Chance of storms 35%. High temperature around 99F. Dew point will be around 76F with an average humidity of 61%. Winds will be 12 mph from the SE.

Clear with a 40% chance for rain and thunderstorms. Low temperature around 81F. Dew point will be around 76F with an average humidity of 73%. Winds will be 13 mph from the SE.