Highland Weather Forecast

    • 45
    • 65

    Rain Showers

    • 46
    • 63

    Chance Rain Showers

    • 48
    • 68

    Chance Rain Showers

    • 47
    • 70

    Mostly Cloudy

    • 48
    • 68

    Chance Rain Showers

    • 48
    • 69

    Slight Chance Rain Showers

Today 19 May Tualatin Valley

Showers this Morning, then mostly sunny with a slight chance of Showers this afternoon. Highs in the mid 60s. South wind 5 to 10 Mph, becoming west this afternoon. Chance of rain near 100 percent. Rainfall Amounts around a tenth of an inch.

Tonight 19 May Tualatin Valley

Mostly cloudy with a 50 percent chance of Showers. Lows in the mid 40s. Southwest wind 5 to 10 Mph. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Highland Temperature Statistics

May Temperature

Portland-Hillsboro Airport (8.7 miles)

  • Lowest 4 May, 2025

    35.6 °F

  • Average May

    54.4 °F

  • Highest 6 May, 2025

    80.6 °F

Climate (2020–Present)

Portland-Hillsboro Airport (8.7 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    64.1 °F
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