Portland-Hillsboro Airport Weather Forecast

    • 22
    • 45

    Becoming Sunny

    • 22
    • 46

    Mostly Sunny

    • 27
    • 45

    Mostly Cloudy

    • 32
    • 46

    Mostly Cloudy

    • 36
    • 51

    Chance Rain

    • 38
    • 50

    Chance Rain/Snow

Today 23 Jan Tualatin Valley

Widespread frost in the morning. Sunny. Highs in the mid 40s. Northeast wind 5 to 10 Mph.

Tonight 23 Jan Tualatin Valley

Clear. Widespread frost. Lows in the mid 20s. Winds light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland-Hillsboro Airport Temperature Statistics

January Temperature

Portland-Hillsboro Airport (0 miles)

  • Lowest 20 January, 2026

    24.1 °F

  • Average January

    40.4 °F

  • Highest 15 January, 2026

    59 °F

Climate (2021–Present)

Portland-Hillsboro Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    64.4 °F
Get WillyWeather+ to remove ads