Flag Branch Lake Weather Forecast

    • 75
    • 93

    Chance Thunderstorms

    • 75
    • 95

    Mostly Sunny

    • 69
    • 92

    Rain Showers

    • 67
    • 81

    Chance Rain Showers

    • 71
    • 87

    Partly Sunny

    • 76
    • 96

    Mostly Sunny

Today 12 Jun Bosque

Mostly sunny with a 30 percent chance of Showers and Thunderstorms. Highs in the lower 90s. Southeast Winds 5 to 10 Mph.

Tonight 12 Jun Bosque

Mostly clear. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph.

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Flag Branch Lake Temperature Statistics

June Temperature

Stephenville, Clark Field Municipal Airport (21.7 miles)

  • Lowest 3 June, 2026

    66.7 °F

  • Average June

    81 °F

  • Highest 8 June, 2026

    95.6 °F

Climate (2021–Present)

Stephenville, Clark Field Municipal Airport (21.7 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    67.6 °F

  • Average High 2021–2026

    79.7 °F
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