Harlingen Weather Forecast

    • 79
    • 96

    Chance Thunderstorms

    • 77
    • 96

    Slight Chance Thunderstorms

    • 76
    • 96

    Slight Chance Thunderstorms

    • 75
    • 93

    Slight Chance Thunderstorms

    • 75
    • 93

    Slight Chance Thunderstorms

    • 76
    • 93

    Slight Chance Thunderstorms

    • 76
    • 92

    Chance Thunderstorms

Today 21 Sep Inland Cameron

Partly cloudy with slight chance of Showers in the Morning, then partly sunny with chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Southeast Winds 10 to 15 Mph increasing to 20 to 25 Mph in the afternoon. Chance of precipitation 30 percent. Highest heat index Readings 108 to 109 in the afternoon.

Tonight 21 Sep Inland Cameron

Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows in the upper 70s. Southeast Winds around 10 Mph until early morning becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harlingen Temperature Statistics

September Temperature

Harlingen, Rio Grande Valley International Airport (3.7 miles)

  • Lowest 10 September, 2017

    64 °F
  • Average September

    81.2 °F
  • Highest 19 September, 2017

    98.1 °F

Climate (2010–Present)

Harlingen, Rio Grande Valley International Airport (3.7 miles)

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  • Average Low 2010–Present

    65.4 °F
  • Average 2010–Present

    74.1 °F
  • Average High 2010–Present

    85.1 °F
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