Hillsboro Weather Forecast

    • 62
    • 83

    Becoming Sunny

    • 60
    • 82

    Sunny

    • 62
    • 84

    Sunny

    • 65
    • 88

    Sunny

    • 68
    • 89

    Sunny

    • 68
    • 90

    Mostly Sunny

Today 7 Sep Hill

Mostly sunny. Highs in the lower 80s. Northeast Winds 5 to 10 Mph.

Tonight 7 Sep Hill

Mostly clear. Lows in the lower 60s. East Winds around 5 Mph.

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Hillsboro Temperature Statistics

September Temperature

Hillsboro, Hillsboro Municipal Airport (5 miles)

  • Lowest 4 September, 2025

    64.6 °F

  • Average September

    79.9 °F

  • Highest 4 September, 2025

    99 °F

Climate (2020–Present)

Hillsboro, Hillsboro Municipal Airport (5 miles)

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  • Average Low 2020–2025

    57 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    78.8 °F
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