Hillsboro Weather Forecast

    • 55
    • 75

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

    • 63
    • 74

    Rain Showers Likely

    • 54
    • 77

    Slight Chance Rain Showers

    • 50
    • 72

    Mostly Sunny

    • 55
    • 76

    Partly Sunny

Today 7 Sep Western And Central Hillsborough

Sunny. Highs in the mid 70s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 7 Sep Western And Central Hillsborough

Mostly clear. Lows in the mid 50s. Northwest Winds around 10 Mph in the Evening, becoming light and variable.

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Hillsboro Temperature Statistics

September Temperature

Concord Municipal Airport (20.5 miles)

  • Lowest 5 September, 2026

    57.9 °F

  • Average September

    68.5 °F

  • Highest 4 September, 2026

    84.7 °F

Climate (2021–2026)

Concord Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    60.2 °F
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