10-Day Weather Forecast - San Juan, TX

Areas of fog in the morning. Mostly sunny. Highs in the upper 80s. Southeast winds 10 to 15 mph.

Partly cloudy. Lows in the upper 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph.

Sunny. Highs in the upper 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Mostly clear. Lows in the upper 60s.

Sunny. Highs in the upper 80s.

Mostly clear in the evening then partly cloudy with a chance of showers after midnight. Cooler with lows in the mid 50s. Chance of rain 30 percent.

Mostly cloudy. A chance of showers in the morning. Much cooler with highs around 70. Temperature falling into the upper 50s in the afternoon. Chance of rain 50 percent.

Mostly cloudy. Cooler with lows in the lower 40s.

Mostly cloudy. Much cooler with highs in the mid 50s. Wind chill values in the upper 30s in the morning.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 40s.

Mostly sunny. Not as cool with highs in the mid 60s.

Partly cloudy. Low temperature around 53F. Dew point will be around 42F with an average humidity of 63%. Winds will be 6 mph from the SE.

Partly cloudy. High temperature around 76F. Dew point will be around 56F with an average humidity of 64%. Winds will be 9 mph from the SE.

Partly cloudy. Low temperature around 63F. Dew point will be around 59F with an average humidity of 78%. Winds will be 10 mph from the SE.

Partly cloudy. High temperature around 80F. Dew point will be around 62F with an average humidity of 67%. Winds will be 12 mph from the S.

Mostly clear. Low temperature around 67F. Dew point will be around 63F with an average humidity of 79%. Winds will be 13 mph from the S.

Mostly sunny. High temperature around 82F. Dew point will be around 64F with an average humidity of 65%. Winds will be 10 mph from the S.

Mostly clear. Low temperature around 66F. Dew point will be around 62F with an average humidity of 75%. Winds will be 6 mph from the SE.