Hillside Weather Forecast
- 40
- 46
Rain
- 40
- 54
Rain
- 39
- 45
Rain
- 39
- 45
Rain Likely
- 40
- 45
Rain
- 39
- 45
Rain Likely
- 37
- 45
Chance Rain
Today 17 Dec West Hills and Chehalem Mountains
A slight chance of Thunderstorms. Rain Showers. Highs in the upper 40s. Southwest wind 10 to 15 Mph. Chance of rain 90 percent. Rainfall Amounts around a tenth of an Inch, except higher Amounts possible in Thunderstorms.
Tonight 17 Dec West Hills and Chehalem Mountains
A chance of rain Showers this Evening, then rain after midnight. Lows around 40. South wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts a tenth to a quarter of an inch.
Hillside Temperature Statistics
December Temperature
Portland, Portland International Airport (6.8 miles)
Lowest 1 December, 2025
33.1 °FAverage December
50.4 °FHighest 10 December, 2025
62.1 °F
Climate (2020–Present)
Portland, Portland International Airport (6.8 miles)
Average Low 2020–2025
48.4 °FAverage 2020–2025
56.3 °FAverage High 2020–2025
65.4 °F