Derby Weather Forecast

    • 73
    • 100

    Hot

    • 75
    • 98

    Hot

    • 76
    • 99

    Hot

    • 76
    • 100

    Hot

    • 76
    • 101

    Hot

    • 75
    • 101

    Hot

Today 17 Jul Frio

Partly cloudy. Highs in the upper 90s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 17 Jul Frio

Mostly clear late this Evening, then becoming partly cloudy. Lows in the lower 70s. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Derby Temperature Statistics

July Temperature

Cotulla, Cotulla-La Salle County Airport (21.7 miles)

  • Lowest 10 July, 2025

    74.6 °F
  • Average July

    86 °F
  • Highest 12 July, 2025

    99.6 °F

Climate (2020–Present)

Cotulla, Cotulla-La Salle County Airport (21.7 miles)

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  • Average Low 2020–2025

    64.3 °F
  • Average 2020–2025

    75.5 °F
  • Average High 2020–2025

    87.9 °F
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