Harper Weather Forecast

    • 66
    • 87

    Decreasing Clouds

    • 64
    • 87

    Mostly Sunny

    • 65
    • 87

    Mostly Sunny

    • 65
    • 86

    Partly Sunny

    • 65
    • 87

    Slight Chance Thunderstorms

    • 66
    • 88

    Mostly Sunny

Today 14 Sep Gillespie

Patchy fog in the morning. Partly cloudy. Highs in the upper 80s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 14 Sep Gillespie

Partly cloudy in the Evening, then clearing. Lows in the upper 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harper Temperature Statistics

September Temperature

Fredericksburg, Gillespie County Airport (19.9 miles)

  • Lowest 9 September, 2025

    59 °F

  • Average September

    75.3 °F

  • Highest 4 September, 2025

    95.5 °F

Climate (2020–Present)

Fredericksburg, Gillespie County Airport (19.9 miles)

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  • Average Low 2020–2025

    55.3 °F

  • Average 2020–2025

    66.8 °F

  • Average High 2020–2025

    78.6 °F
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