Portland Weather Forecast

    • 49
    • 70

    Becoming Sunny

    • 44
    • 74

    Becoming Sunny

    • 39
    • 65

    Mostly Sunny

    • 45
    • 65

    Mostly Sunny

    • 47
    • 73

    Slight Chance Thunderstorms

    • 45
    • 68

    Mostly Sunny

    • 53
    • 73

    Chance Rain Showers

Today 8 May Whiteside

Mostly sunny. Near steady temperature in the upper 60s. Southwest Winds 5 to 10 Mph.

Tonight 8 May Whiteside

Mostly clear. Lows in the upper 40s. Southwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland Temperature Statistics

May Temperature

Sterling Rockfalls (16.8 miles)

  • Lowest 2 May, 2026

    33.1 °F

  • Average May

    53.7 °F

  • Highest 4 May, 2026

    81 °F

Climate (2021–Present)

Sterling Rockfalls (16.8 miles)

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

  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    62 °F
Get WillyWeather+ to remove ads