Ainsworth State Park Weather Forecast

    • 50
    • 70

    Becoming Sunny

    • 54
    • 71

    Partly Sunny

    • 44
    • 61

    Rain Showers

    • 45
    • 55

    Rain Showers Likely

    • 47
    • 58

    Slight Chance Rain

    • 49
    • 62

    Partly Sunny

Today 23 May West Columbia River Gorge I-84 Corridor

Mostly sunny. Highs in the mid 70s. West wind 15 to 20 Mph.

Tonight 23 May West Columbia River Gorge I-84 Corridor

Mostly clear. Lows around 50. Southwest wind 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Ainsworth State Park Temperature Statistics

May Temperature

Portland, Portland-Troutdale Airport (17.4 miles)

  • Lowest 15 May, 2026

    44.7 °F

  • Average May

    60.8 °F

  • Highest 3 May, 2026

    91.7 °F

Climate (2021–Present)

Portland, Portland-Troutdale Airport (17.4 miles)

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

  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.3 °F
Get WillyWeather+ to remove ads