10-Day Weather Forecast - Harlingen, TX

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  • |80°F
    Partly Cloudy

    Tonight

    80°F

    Partly cloudy. Humid with lows in the upper 70s. Southeast winds 15 to 20 mph, diminishing to 5 to 10 mph after midnight. Gusts up to 30 mph. Heat index values up to 107 early in the evening.

    Hourly details
  • 99|80°F
    Sunny

    Day

    99°F

    Sunny with highs in the upper 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 111.

    Night

    80°F

    Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the upper 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 107 early in the evening.

    Hourly details
  • 99|79°F
    Sunny

    Day

    99°F

    Sunny with highs in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 113.

    Night

    79°F

    Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.

    Hourly details
  • 101|78°F
    40% Chance of Rain

    Day

    101°F

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

    Night

    78°F

    Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.

    Hourly details
  • 100|79°F
    Mostly Sunny

    Day

    100°F

    Mostly sunny. Highs in the upper 90s. Heat index values up to 110.

    Night

    79°F

    Mostly clear in the evening, then becoming partly cloudy. Lows around 80. Heat index values up to 110 early in the evening.

    Hourly details
  • 100|79°F
    Mostly Sunny

    Day

    100°F

    Mostly sunny. Highs in the upper 90s. Heat index values up to 110.

    Night

    79°F

    Mostly clear in the evening, then becoming partly cloudy. Lows around 80. Heat index values up to 105 early in the evening.

    Hourly details
  • 99|80°F
    Mostly Sunny

    Day

    99°F

    Mostly sunny. Highs in the upper 90s. Heat index values up to 110.

    Night

    80°F

    Mostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 80F. Dew point will be around 76F with an average humidity of 81%. Winds will be 10 mph from the SE.

    Hourly details
  • 99|79°F
    30% Chance of Rain

    Day

    99°F

    Sunny with a 35% chance for rain and thunderstorms. High temperature around 99F. Dew point will be around 73F with an average humidity of 57%. Winds will be 10 mph from the SE.

    Night

    79°F

    Clear with a 45% chance for rain and thunderstorms. Low temperature around 79F. Dew point will be around 75F with an average humidity of 76%. Winds will be 11 mph from the SE.

  • 98|79°F
    40% Chance of Rain

    Day

    98°F

    Sunny with a 40% chance for rain and thunderstorms. High temperature around 98F. Dew point will be around 73F with an average humidity of 57%. Winds will be 9 mph from the SE.

    Night

    79°F

    Clear with a 45% chance for rain and thunderstorms. Low temperature around 79F. Dew point will be around 75F with an average humidity of 76%. Winds will be 11 mph from the SE.

  • 98|79°F
    40% Chance of Storms

    Day

    98°F

    Sunny with a 45% chance for rain and thunderstorms. High temperature around 98F. Dew point will be around 73F with an average humidity of 58%. Winds will be 11 mph from the SE.

    Night

    79°F

    Clear with a 50% chance for rain and thunderstorms. Low temperature around 79F. Dew point will be around 75F with an average humidity of 77%. Winds will be 12 mph from the SE.