Hillsboro Weather Forecast

    • 49
    • 69

    Increasing Clouds

    • 48
    • 70

    Mostly Cloudy

    • 52
    • 75

    Partly Sunny

    • 53
    • 80

    Partly Sunny

    • 53
    • 82

    Mostly Sunny

    • 53
    • 82

    Mostly Sunny

    • 52
    • 83

    Mostly Sunny

Today 30 Jun Tualatin Valley

Mostly sunny. Highs around 70. Northwest wind 5 to 10 Mph.

Tonight 30 Jun Tualatin Valley

Mostly clear this Evening, then becoming mostly cloudy. Lows in the upper 40s. Northwest wind 5 to 10 Mph, becoming light after midnight.

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Hillsboro Temperature Statistics

June Temperature

Portland-Hillsboro Airport (1.9 miles)

  • Lowest 10 June, 2026

    46.4 °F

  • Average June

    64.2 °F

  • Highest 14 June, 2026

    92.6 °F

Climate (2021–2026)

Portland-Hillsboro Airport (1.9 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    64.4 °F
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