City of Harlingen Reservoir Weather Forecast

    • 81
    • 96

    Mostly Sunny

    • 82
    • 99

    Hot

    • 82
    • 97

    Hot

    • 81
    • 95

    Slight Chance Thunderstorms

    • 81
    • 96

    Partly Sunny

    • 80
    • 97

    Hot

Today 17 Jun Inland Cameron

Sunny, warmer with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 115 this afternoon.

Tonight 17 Jun Inland Cameron

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 114 early in the evening.

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City of Harlingen Reservoir Temperature Statistics

June Temperature

Harlingen, Rio Grande Valley International Airport (5.6 miles)

  • Lowest 3 June, 2026

    73.7 °F

  • Average June

    84 °F

  • Highest 11 June, 2026

    94.6 °F

Climate (2021–2026)

Harlingen, Rio Grande Valley International Airport (5.6 miles)

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  • Average Low 2021–2026

    65.7 °F

  • Average 2021–2026

    75.8 °F

  • Average High 2021–2026

    86.6 °F
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