Heidelberg Weather Forecast

    • 68
    • 87

    Slight Chance Rain Showers

    • 70
    • 87

    Chance Rain Showers

    • 70
    • 88

    Chance Thunderstorms

    • 70
    • 87

    Chance Rain Showers

    • 71
    • 88

    Mostly Sunny

    • 72
    • 91

    Mostly Sunny

Today 26 Oct Southern Hidalgo

Mostly sunny. Highs in the upper 80s. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 26 Oct Southern Hidalgo

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 60s. East Winds 5 to 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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Heidelberg Temperature Statistics

October Temperature

Harlingen, Rio Grande Valley International Airport (13.7 miles)

  • Lowest 18 October, 2026

    56.6 °F

  • Average October

    80 °F

  • Highest 1 October, 2026

    100 °F

Climate (2021–2026)

Harlingen, Rio Grande Valley International Airport (13.7 miles)

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  • Average Low 2021–2026

    65.9 °F

  • Average 2021–2026

    76.1 °F

  • Average High 2021–2026

    87 °F
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