10-Day Weather Forecast - San Juan, TX

Sunny. Highs in the upper 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 108 in the afternoon.

Partly cloudy. Lows in the mid 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Mostly sunny. Highs in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105 in the afternoon.

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

Mostly cloudy in the morning then becoming partly sunny. Highs in the mid 90s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 70s.

Partly sunny. Highs in the mid 90s.

Partly cloudy in the evening then becoming mostly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of rain 30 percent.

Partly sunny in the morning then becoming mostly cloudy. A chance of showers in the morning. Much cooler with highs around 80. Chance of rain 30 percent.

Mostly cloudy. Lows in the lower 60s.

Mostly sunny. Highs around 80.

Mostly clear. Low temperature around 65F. Dew point will be around 57F with an average humidity of 64%. Winds will be 8 mph from the E.

Partly cloudy. High temperature around 83F. Dew point will be around 62F with an average humidity of 62%. Winds will be 9 mph from the SE.

Partly cloudy. Low temperature around 69F. Dew point will be around 63F with an average humidity of 70%. Winds will be 13 mph from the SE.

Mostly sunny. High temperature around 85F. Dew point will be around 67F with an average humidity of 67%. Winds will be 13 mph from the SE.

Mostly clear. Low temperature around 72F. Dew point will be around 68F with an average humidity of 75%. Winds will be 14 mph from the SE.

Mostly cloudy with scattered thunderstorms. Chance of storms 40%. High temperature around 86F. Dew point will be around 71F with an average humidity of 71%. Winds will be 9 mph from the SE.

Partly cloudy with scattered thunderstorms. Chance of storms 35%. Low temperature around 73F. Dew point will be around 70F with an average humidity of 77%. Winds will be 11 mph from the SE.