Heidelberg Weather Forecast

    • 44
    • 61

    Increasing Clouds

    • 45
    • 67

    Becoming Sunny

    • 48
    • 73

    Mostly Cloudy

    • 37
    • 60

    Partly Sunny

    • 36
    • 60

    Partly Sunny

    • 46
    • 64

    Mostly Cloudy

    • 53
    • 68

    Mostly Cloudy

Today 27 Jan Southern Hidalgo

Sunny. Not as cool with Highs in the lower 60s. Northeast Winds around 5 Mph.

Tonight 27 Jan Southern Hidalgo

Mostly cloudy in the Evening, then becoming partly cloudy. Not as cool with Lows in the lower 40s. Northeast Winds around 5 Mph.

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Heidelberg Temperature Statistics

January Temperature

Harlingen, Rio Grande Valley International Airport (13.7 miles)

  • Lowest 25 January, 2026

    30 °F

  • Average January

    63.9 °F

  • Highest 3 January, 2026

    90.6 °F

Climate (2021–Present)

Harlingen, Rio Grande Valley International Airport (13.7 miles)

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  • Average Low 2021–2026

    65.6 °F

  • Average 2021–2026

    75.5 °F

  • Average High 2021–2026

    86.2 °F
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