Harlingen Weather Forecast

    • 73
    • 92

    Chance Thunderstorms

    • 73
    • 92

    Chance Thunderstorms

    • 68
    • 91

    Slight Chance Thunderstorms

    • 66
    • 90

    Mostly Sunny

    • 64
    • 89

    Sunny

    • 63
    • 90

    Mostly Sunny

    • 66
    • 90

    Mostly Sunny

Today 25 Sep Inland Cameron

Partly sunny. Showers and Thunderstorms likely this afternoon. Highs in the lower 90s. Southeast Winds 10 to 15 Mph. Chance of rain 60 percent.

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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 14 September, 2022

    69.8 °F
  • Average September

    81.4 °F
  • Highest 10 September, 2022

    93.9 °F

Climate (2010–Present)

Harlingen, Rio Grande Valley International Airport (3.7 miles)

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  • Average Low 2010–Present

    65.7 °F
  • Average 2010–Present

    74.5 °F
  • Average High 2010–Present

    85.6 °F
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