Harper Weather Forecast

    • 42
    • 57

    Mostly Cloudy

    • 50
    • 58

    Mostly Cloudy

    • 53
    • 70

    Partly Sunny

    • 39
    • 72

    Mostly Sunny

    • 49
    • 67

    Mostly Sunny

    • 50
    • 76

    Mostly Sunny

    • 51
    • 77

    Sunny

Today 15 Dec Gillespie

Mostly cloudy. Not as cool with Highs in the upper 50s. South Winds around 5 Mph.

Tonight 15 Dec Gillespie

Mostly cloudy. Not as cool with Lows in the lower 40s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Harper Temperature Statistics

December Temperature

Fredericksburg, Gillespie County Airport (19.9 miles)

  • Lowest 2 December, 2025

    28.4 °F

  • Average December

    50.8 °F

  • Highest 6 December, 2025

    77 °F

Climate (2020–Present)

Fredericksburg, Gillespie County Airport (19.9 miles)

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  • Average Low 2020–2025

    55.5 °F

  • Average 2020–2025

    67 °F

  • Average High 2020–2025

    78.8 °F
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