Helvetia Weather Forecast

    • 46
    • 77

    Decreasing Clouds

    • 54
    • 77

    Slight Chance Rain Showers

    • 46
    • 72

    Slight Chance Rain Showers

    • 48
    • 73

    Partly Sunny

    • 48
    • 66

    Rain Showers Likely

    • 50
    • 65

    Rain Showers Likely

Today 16 Jun Tualatin Valley

Mostly sunny. Highs in the upper 70s. Light and variable Winds, becoming light this afternoon.

Tonight 16 Jun Tualatin Valley

Mostly clear. Lows in the mid 40s. Winds light.

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  • Temperature Real-Time

Helvetia Temperature Statistics

June Temperature

Portland-Hillsboro Airport (3.7 miles)

  • Lowest 14 June, 2025

    41 °F
  • Average June

    63.6 °F
  • Highest 8 June, 2025

    96.7 °F

Climate (2020–Present)

Portland-Hillsboro Airport (3.7 miles)

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  • Average Low 2020–2025

    43.1 °F
  • Average 2020–2025

    53.4 °F
  • Average High 2020–2025

    64.2 °F
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