Cedar Mill Weather Forecast
- 50
- 66
Chance Rain
- 53
- 65
Rain Likely
- 40
- 60
Rain Likely
- 34
- 55
Slight Chance Rain
- 39
- 57
Mostly Cloudy
Today 18 Mar Tualatin Valley
Mostly cloudy with a 20 percent chance of rain. Highs in the upper 60s. Winds light.
Tonight 18 Mar Tualatin Valley
Mostly cloudy with a 20 percent chance of rain. Lows in the upper 40s. Winds light.
Cedar Mill Temperature Statistics
March Temperature
Portland-Hillsboro Airport (7.5 miles)
Lowest 9 March, 2026
33.1 °FAverage March
47.8 °FHighest 16 March, 2026
68 °F
Climate (2021–Present)
Portland-Hillsboro Airport (7.5 miles)
Average Low 2021–2026
43.4 °FAverage 2021–2026
53.8 °FAverage High 2021–2026
64.5 °F