San Isidro Weather Forecast

    • 74
    • 101

    Slight Chance Rain Showers

    • 75
    • 102

    Slight Chance Thunderstorms

Today 26 Sep Starr

Mostly sunny. Hot with Highs around 100. East Winds 5 to 10 Mph. Heat index Values up to 109.

Tonight 26 Sep Starr

Mostly clear. Lows in the mid 70s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Isidro Temperature Statistics

September Temperature

Edinburg, Edinburg International Airport (27.3 miles)

  • Lowest 1 September, 2026

    73.4 °F

  • Average September

    87.7 °F

  • Highest 2 September, 2026

    104 °F

Climate (2021–2026)

Edinburg, Edinburg International Airport (27.3 miles)

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  • Average Low 2021–2026

    65.7 °F

  • Average 2021–2026

    75.5 °F

  • Average High 2021–2026

    87.4 °F
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