Lower Rio Grande Valley National Wildlife Refuge Weather Forecast

    • 76
    • 99

    Slight Chance Thunderstorms

    • 76
    • 98

    Chance Thunderstorms

    • 76
    • 97

    Chance Thunderstorms

    • 75
    • 97

    Chance Thunderstorms

    • 75
    • 96

    Chance Thunderstorms

    • 74
    • 97

    Chance Thunderstorms

Today 21 Sep Northern Hidalgo

Sunny with a slight chance of Showers and Thunderstorms. Hot with Highs around 100. East Winds 10 to 15 Mph with Gusts up to 20 Mph. Chance of rain 20 percent. Heat index Values up to 107.

Tonight 21 Sep Northern Hidalgo

Clear with Lows in the mid 70s. East Winds 10 to 15 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Rio Grande Valley National Wildlife Refuge Temperature Statistics

September Temperature

Edinburg, Edinburg International Airport (7.5 miles)

  • Lowest 1 September, 2026

    73.4 °F

  • Average September

    88.1 °F

  • Highest 2 September, 2026

    104 °F

Climate (2021–2026)

Edinburg, Edinburg International Airport (7.5 miles)

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  • Average Low 2021–2026

    65.6 °F

  • Average 2021–2026

    75.5 °F

  • Average High 2021–2026

    87.3 °F
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