Relampago Weather Forecast

    • 80
    • 100

    Hot

    • 79
    • 100

    Hot

    • 79
    • 100

    Hot

    • 78
    • 100

    Hot

    • 78
    • 100

    Hot

    • 77
    • 98

    Chance Thunderstorms

Today 12 Sep Southern Hidalgo

Sunny, hot with Highs around 102. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 114.

Tonight 12 Sep Southern Hidalgo

Mostly clear. Humid with Lows around 80. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 109 early in the evening.

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  • Temperature Real-Time

Relampago Temperature Statistics

September Temperature

Harlingen, Rio Grande Valley International Airport (18 miles)

  • Lowest 1 September, 2026

    74.6 °F

  • Average September

    89.1 °F

  • Highest 2 September, 2026

    104.6 °F

Climate (2021–2026)

Harlingen, Rio Grande Valley International Airport (18 miles)

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  • Average Low 2021–2026

    65.8 °F

  • Average 2021–2026

    76 °F

  • Average High 2021–2026

    86.9 °F
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