Cornelius Weather Forecast
- 39
- 52
Rain
- 43
- 49
Rain
- 39
- 52
Rain
- 44
- 53
Rain Showers
- 46
- 57
Rain Showers
- 48
- 70
Slight Chance Rain Showers
- 49
- 74
Partly Sunny
Today 19 Mar Tualatin Valley
Cloudy. A chance of rain this afternoon. Highs in the mid 50s. Southeast wind 10 to 15 Mph. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.
Tonight 19 Mar Tualatin Valley
Rain. Lows in the upper 30s. South wind 10 to 15 Mph. Chance of rain near 100 percent. Rainfall Amounts a quarter to a half of an inch.
Cornelius Temperature Statistics
March Temperature
Portland-Hillsboro Airport (5 miles)
Lowest 7 March, 2025
29.8 °FAverage March
45.4 °FHighest 1 March, 2025
63.6 °F
Climate (2020–Present)
Portland-Hillsboro Airport (5 miles)
Average Low 2020–2025
43.2 °FAverage 2020–2025
53.3 °FAverage High 2020–2025
64.1 °F