10-Day Weather Forecast - Port Harlingen, TX

Mostly cloudy. Highs in the upper 60s. North winds 5 to 10 mph.

Mostly cloudy. Lows in the lower 50s. North winds 5 to 10 mph.

Mostly cloudy. Highs in the upper 60s. North winds 5 to 10 mph.

Mostly cloudy. Lows around 50.

Mostly sunny. Highs in the mid 70s.

Mostly clear. Lows in the upper 40s.

Sunny. Highs in the lower 70s.

Mostly clear. Lows around 50.

Mostly sunny. Highs in the upper 70s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s.

Partly sunny in the morning then becoming mostly cloudy. Highs in the upper 60s. Temperature falling into the lower 60s in the afternoon.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 44F. Dew point will be around 35F with an average humidity of 62%. Winds will be 11 mph from the N.

Cloudy. High temperature around 62F. Dew point will be around 40F with an average humidity of 55%. Winds will be 11 mph from the N.

Cloudy. Low temperature around 45F. Dew point will be around 37F with an average humidity of 65%. Winds will be 7 mph from the N.

Cloudy. High temperature around 60F. Dew point will be around 37F with an average humidity of 51%. Winds will be 6 mph from the NE.

Cloudy. Low temperature around 49F. Dew point will be around 43F with an average humidity of 72%. Winds will be 4 mph from the E.

Cloudy. High temperature around 66F. Dew point will be around 48F with an average humidity of 63%. Winds will be 6 mph from the SE.

Mostly cloudy. Low temperature around 55F. Dew point will be around 53F with an average humidity of 85%. Winds will be 8 mph from the SE.