Sunnyside Weather Forecast
- 42
- 64
Mostly Sunny
- 49
- 60
Chance Rain
- 44
- 63
Slight Chance Rain
- 50
- 64
Rain
- 45
- 57
Rain
- 44
- 57
Chance Rain
Today 15 Oct Inner Portland Metro
Sunny. Highs in the mid 60s. Winds light.
Tonight 15 Oct Inner Portland Metro
Mostly clear. Lows in the lower 40s. Winds light.
Sunnyside Temperature Statistics
October Temperature
Portland, Portland International Airport (5.6 miles)
Lowest 9 October, 2025
45 °FAverage October
58 °FHighest 7 October, 2025
79 °F
Climate (2020–Present)
Portland, Portland International Airport (5.6 miles)
Average Low 2020–2025
48.3 °FAverage 2020–2025
56.1 °FAverage High 2020–2025
65.3 °F