Etna Weather Forecast
- 53
- 81
Sunny
- 53
- 83
Mostly Sunny
- 50
- 74
Mostly Sunny
- 51
- 76
Mostly Sunny
- 52
- 79
Mostly Sunny
- 51
- 74
Partly Sunny
- 50
- 73
Partly Sunny
Today 16 Sep South Washington Cascade Foothills
Sunny. Highs in the upper 70s. Winds light.
Tonight 16 Sep South Washington Cascade Foothills
Clear. Lows in the lower 50s. Winds light.
Etna Temperature Statistics
September Temperature
Scappoose Industrial Airpark (16.8 miles)
Lowest 4 September, 2026
49.6 °FAverage September
61.7 °FHighest 9 September, 2026
87.7 °F
Climate (2021–2026)
Scappoose Industrial Airpark (16.8 miles)
Average Low 2021–2026
43.9 °FAverage 2021–2026
53.5 °FAverage High 2021–2026
63.4 °F